3.4.2 \(\int \frac {\tan ^2(c+d x)}{(a+i a \tan (c+d x))^{4/3}} \, dx\) [302]

3.4.2.1 Optimal result
3.4.2.2 Mathematica [C] (verified)
3.4.2.3 Rubi [A] (warning: unable to verify)
3.4.2.4 Maple [A] (verified)
3.4.2.5 Fricas [B] (verification not implemented)
3.4.2.6 Sympy [F]
3.4.2.7 Maxima [A] (verification not implemented)
3.4.2.8 Giac [F]
3.4.2.9 Mupad [B] (verification not implemented)

3.4.2.1 Optimal result

Integrand size = 26, antiderivative size = 213 \[ \int \frac {\tan ^2(c+d x)}{(a+i a \tan (c+d x))^{4/3}} \, dx=\frac {x}{8 \sqrt [3]{2} a^{4/3}}-\frac {i \sqrt {3} \arctan \left (\frac {\sqrt [3]{a}+2^{2/3} \sqrt [3]{a+i a \tan (c+d x)}}{\sqrt {3} \sqrt [3]{a}}\right )}{4 \sqrt [3]{2} a^{4/3} d}-\frac {i \log (\cos (c+d x))}{8 \sqrt [3]{2} a^{4/3} d}-\frac {3 i \log \left (\sqrt [3]{2} \sqrt [3]{a}-\sqrt [3]{a+i a \tan (c+d x)}\right )}{8 \sqrt [3]{2} a^{4/3} d}-\frac {3 i}{8 d (a+i a \tan (c+d x))^{4/3}}+\frac {9 i}{4 a d \sqrt [3]{a+i a \tan (c+d x)}} \]

output
1/16*x*2^(2/3)/a^(4/3)-1/16*I*ln(cos(d*x+c))*2^(2/3)/a^(4/3)/d-3/16*I*ln(2 
^(1/3)*a^(1/3)-(a+I*a*tan(d*x+c))^(1/3))*2^(2/3)/a^(4/3)/d-1/8*I*arctan(1/ 
3*(a^(1/3)+2^(2/3)*(a+I*a*tan(d*x+c))^(1/3))/a^(1/3)*3^(1/2))*3^(1/2)*2^(2 
/3)/a^(4/3)/d-3/8*I/d/(a+I*a*tan(d*x+c))^(4/3)+9/4*I/a/d/(a+I*a*tan(d*x+c) 
)^(1/3)
 
3.4.2.2 Mathematica [C] (verified)

Result contains higher order function than in optimal. Order 5 vs. order 3 in optimal.

Time = 0.38 (sec) , antiderivative size = 88, normalized size of antiderivative = 0.41 \[ \int \frac {\tan ^2(c+d x)}{(a+i a \tan (c+d x))^{4/3}} \, dx=\frac {3 \left (7+\operatorname {Hypergeometric2F1}\left (-\frac {1}{3},1,\frac {2}{3},\frac {1}{2} (1+i \tan (c+d x))\right ) (-2-2 i \tan (c+d x))+8 i \tan (c+d x)\right )}{8 a d (-i+\tan (c+d x)) \sqrt [3]{a+i a \tan (c+d x)}} \]

input
Integrate[Tan[c + d*x]^2/(a + I*a*Tan[c + d*x])^(4/3),x]
 
output
(3*(7 + Hypergeometric2F1[-1/3, 1, 2/3, (1 + I*Tan[c + d*x])/2]*(-2 - (2*I 
)*Tan[c + d*x]) + (8*I)*Tan[c + d*x]))/(8*a*d*(-I + Tan[c + d*x])*(a + I*a 
*Tan[c + d*x])^(1/3))
 
3.4.2.3 Rubi [A] (warning: unable to verify)

Time = 0.55 (sec) , antiderivative size = 172, normalized size of antiderivative = 0.81, number of steps used = 11, number of rules used = 10, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.385, Rules used = {3042, 4023, 3042, 4009, 3042, 3962, 67, 16, 1082, 217}

Below are the steps used by Rubi to obtain the solution. The rule number used for the transformation is given above next to the arrow. The rules definitions used are listed below.

\(\displaystyle \int \frac {\tan ^2(c+d x)}{(a+i a \tan (c+d x))^{4/3}} \, dx\)

\(\Big \downarrow \) 3042

\(\displaystyle \int \frac {\tan (c+d x)^2}{(a+i a \tan (c+d x))^{4/3}}dx\)

\(\Big \downarrow \) 4023

\(\displaystyle \frac {\int \frac {a-2 i a \tan (c+d x)}{\sqrt [3]{i \tan (c+d x) a+a}}dx}{2 a^2}-\frac {3 i}{8 d (a+i a \tan (c+d x))^{4/3}}\)

\(\Big \downarrow \) 3042

\(\displaystyle \frac {\int \frac {a-2 i a \tan (c+d x)}{\sqrt [3]{i \tan (c+d x) a+a}}dx}{2 a^2}-\frac {3 i}{8 d (a+i a \tan (c+d x))^{4/3}}\)

\(\Big \downarrow \) 4009

\(\displaystyle \frac {\frac {9 i a}{2 d \sqrt [3]{a+i a \tan (c+d x)}}-\frac {1}{2} \int (i \tan (c+d x) a+a)^{2/3}dx}{2 a^2}-\frac {3 i}{8 d (a+i a \tan (c+d x))^{4/3}}\)

\(\Big \downarrow \) 3042

\(\displaystyle \frac {\frac {9 i a}{2 d \sqrt [3]{a+i a \tan (c+d x)}}-\frac {1}{2} \int (i \tan (c+d x) a+a)^{2/3}dx}{2 a^2}-\frac {3 i}{8 d (a+i a \tan (c+d x))^{4/3}}\)

\(\Big \downarrow \) 3962

\(\displaystyle \frac {\frac {i a \int \frac {1}{(a-i a \tan (c+d x)) \sqrt [3]{i \tan (c+d x) a+a}}d(i a \tan (c+d x))}{2 d}+\frac {9 i a}{2 d \sqrt [3]{a+i a \tan (c+d x)}}}{2 a^2}-\frac {3 i}{8 d (a+i a \tan (c+d x))^{4/3}}\)

\(\Big \downarrow \) 67

\(\displaystyle \frac {\frac {i a \left (-\frac {3}{2} \int \frac {1}{-a^2 \tan ^2(c+d x)+i \sqrt [3]{2} a^{4/3} \tan (c+d x)+2^{2/3} a^{2/3}}d\sqrt [3]{i \tan (c+d x) a+a}+\frac {3 \int \frac {1}{\sqrt [3]{2} \sqrt [3]{a}-i a \tan (c+d x)}d\sqrt [3]{i \tan (c+d x) a+a}}{2 \sqrt [3]{2} \sqrt [3]{a}}+\frac {\log (a-i a \tan (c+d x))}{2 \sqrt [3]{2} \sqrt [3]{a}}\right )}{2 d}+\frac {9 i a}{2 d \sqrt [3]{a+i a \tan (c+d x)}}}{2 a^2}-\frac {3 i}{8 d (a+i a \tan (c+d x))^{4/3}}\)

\(\Big \downarrow \) 16

\(\displaystyle \frac {\frac {i a \left (-\frac {3}{2} \int \frac {1}{-a^2 \tan ^2(c+d x)+i \sqrt [3]{2} a^{4/3} \tan (c+d x)+2^{2/3} a^{2/3}}d\sqrt [3]{i \tan (c+d x) a+a}-\frac {3 \log \left (\sqrt [3]{2} \sqrt [3]{a}-i a \tan (c+d x)\right )}{2 \sqrt [3]{2} \sqrt [3]{a}}+\frac {\log (a-i a \tan (c+d x))}{2 \sqrt [3]{2} \sqrt [3]{a}}\right )}{2 d}+\frac {9 i a}{2 d \sqrt [3]{a+i a \tan (c+d x)}}}{2 a^2}-\frac {3 i}{8 d (a+i a \tan (c+d x))^{4/3}}\)

\(\Big \downarrow \) 1082

\(\displaystyle \frac {\frac {i a \left (\frac {3 \int \frac {1}{a^2 \tan ^2(c+d x)-3}d\left (i 2^{2/3} a^{2/3} \tan (c+d x)+1\right )}{\sqrt [3]{2} \sqrt [3]{a}}-\frac {3 \log \left (\sqrt [3]{2} \sqrt [3]{a}-i a \tan (c+d x)\right )}{2 \sqrt [3]{2} \sqrt [3]{a}}+\frac {\log (a-i a \tan (c+d x))}{2 \sqrt [3]{2} \sqrt [3]{a}}\right )}{2 d}+\frac {9 i a}{2 d \sqrt [3]{a+i a \tan (c+d x)}}}{2 a^2}-\frac {3 i}{8 d (a+i a \tan (c+d x))^{4/3}}\)

\(\Big \downarrow \) 217

\(\displaystyle \frac {\frac {i a \left (-\frac {i \sqrt {3} \text {arctanh}\left (\frac {a \tan (c+d x)}{\sqrt {3}}\right )}{\sqrt [3]{2} \sqrt [3]{a}}-\frac {3 \log \left (\sqrt [3]{2} \sqrt [3]{a}-i a \tan (c+d x)\right )}{2 \sqrt [3]{2} \sqrt [3]{a}}+\frac {\log (a-i a \tan (c+d x))}{2 \sqrt [3]{2} \sqrt [3]{a}}\right )}{2 d}+\frac {9 i a}{2 d \sqrt [3]{a+i a \tan (c+d x)}}}{2 a^2}-\frac {3 i}{8 d (a+i a \tan (c+d x))^{4/3}}\)

input
Int[Tan[c + d*x]^2/(a + I*a*Tan[c + d*x])^(4/3),x]
 
output
((-3*I)/8)/(d*(a + I*a*Tan[c + d*x])^(4/3)) + (((I/2)*a*(((-I)*Sqrt[3]*Arc 
Tanh[(a*Tan[c + d*x])/Sqrt[3]])/(2^(1/3)*a^(1/3)) - (3*Log[2^(1/3)*a^(1/3) 
 - I*a*Tan[c + d*x]])/(2*2^(1/3)*a^(1/3)) + Log[a - I*a*Tan[c + d*x]]/(2*2 
^(1/3)*a^(1/3))))/d + (((9*I)/2)*a)/(d*(a + I*a*Tan[c + d*x])^(1/3)))/(2*a 
^2)
 

3.4.2.3.1 Defintions of rubi rules used

rule 16
Int[(c_.)/((a_.) + (b_.)*(x_)), x_Symbol] :> Simp[c*(Log[RemoveContent[a + 
b*x, x]]/b), x] /; FreeQ[{a, b, c}, x]
 

rule 67
Int[1/(((a_.) + (b_.)*(x_))*((c_.) + (d_.)*(x_))^(1/3)), x_Symbol] :> With[ 
{q = Rt[(b*c - a*d)/b, 3]}, Simp[-Log[RemoveContent[a + b*x, x]]/(2*b*q), x 
] + (Simp[3/(2*b)   Subst[Int[1/(q^2 + q*x + x^2), x], x, (c + d*x)^(1/3)], 
 x] - Simp[3/(2*b*q)   Subst[Int[1/(q - x), x], x, (c + d*x)^(1/3)], x])] / 
; FreeQ[{a, b, c, d}, x] && PosQ[(b*c - a*d)/b]
 

rule 217
Int[((a_) + (b_.)*(x_)^2)^(-1), x_Symbol] :> Simp[(-(Rt[-a, 2]*Rt[-b, 2])^( 
-1))*ArcTan[Rt[-b, 2]*(x/Rt[-a, 2])], x] /; FreeQ[{a, b}, x] && PosQ[a/b] & 
& (LtQ[a, 0] || LtQ[b, 0])
 

rule 1082
Int[((a_) + (b_.)*(x_) + (c_.)*(x_)^2)^(-1), x_Symbol] :> With[{q = 1 - 4*S 
implify[a*(c/b^2)]}, Simp[-2/b   Subst[Int[1/(q - x^2), x], x, 1 + 2*c*(x/b 
)], x] /; RationalQ[q] && (EqQ[q^2, 1] ||  !RationalQ[b^2 - 4*a*c])] /; Fre 
eQ[{a, b, c}, x]
 

rule 3042
Int[u_, x_Symbol] :> Int[DeactivateTrig[u, x], x] /; FunctionOfTrigOfLinear 
Q[u, x]
 

rule 3962
Int[((a_) + (b_.)*tan[(c_.) + (d_.)*(x_)])^(n_), x_Symbol] :> Simp[-b/d   S 
ubst[Int[(a + x)^(n - 1)/(a - x), x], x, b*Tan[c + d*x]], x] /; FreeQ[{a, b 
, c, d, n}, x] && EqQ[a^2 + b^2, 0]
 

rule 4009
Int[((a_) + (b_.)*tan[(e_.) + (f_.)*(x_)])^(m_)*((c_.) + (d_.)*tan[(e_.) + 
(f_.)*(x_)]), x_Symbol] :> Simp[(-(b*c - a*d))*((a + b*Tan[e + f*x])^m/(2*a 
*f*m)), x] + Simp[(b*c + a*d)/(2*a*b)   Int[(a + b*Tan[e + f*x])^(m + 1), x 
], x] /; FreeQ[{a, b, c, d, e, f}, x] && NeQ[b*c - a*d, 0] && EqQ[a^2 + b^2 
, 0] && LtQ[m, 0]
 

rule 4023
Int[((a_) + (b_.)*tan[(e_.) + (f_.)*(x_)])^(m_)*((c_.) + (d_.)*tan[(e_.) + 
(f_.)*(x_)])^2, x_Symbol] :> Simp[(-b)*(a*c + b*d)^2*((a + b*Tan[e + f*x])^ 
m/(2*a^3*f*m)), x] + Simp[1/(2*a^2)   Int[(a + b*Tan[e + f*x])^(m + 1)*Simp 
[a*c^2 - 2*b*c*d + a*d^2 - 2*b*d^2*Tan[e + f*x], x], x], x] /; FreeQ[{a, b, 
 c, d, e, f}, x] && NeQ[b*c - a*d, 0] && LeQ[m, -1] && EqQ[a^2 + b^2, 0]
 
3.4.2.4 Maple [A] (verified)

Time = 0.62 (sec) , antiderivative size = 168, normalized size of antiderivative = 0.79

method result size
derivativedivides \(\frac {3 i \left (-\frac {2^{\frac {2}{3}} \ln \left (\left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}-2^{\frac {1}{3}} a^{\frac {1}{3}}\right )}{24 a^{\frac {1}{3}}}+\frac {2^{\frac {2}{3}} \ln \left (\left (a +i a \tan \left (d x +c \right )\right )^{\frac {2}{3}}+2^{\frac {1}{3}} a^{\frac {1}{3}} \left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}+2^{\frac {2}{3}} a^{\frac {2}{3}}\right )}{48 a^{\frac {1}{3}}}-\frac {\sqrt {3}\, 2^{\frac {2}{3}} \arctan \left (\frac {\sqrt {3}\, \left (\frac {2^{\frac {2}{3}} \left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}}{a^{\frac {1}{3}}}+1\right )}{3}\right )}{24 a^{\frac {1}{3}}}+\frac {3}{4 \left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}}-\frac {a}{8 \left (a +i a \tan \left (d x +c \right )\right )^{\frac {4}{3}}}\right )}{d a}\) \(168\)
default \(\frac {3 i \left (-\frac {2^{\frac {2}{3}} \ln \left (\left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}-2^{\frac {1}{3}} a^{\frac {1}{3}}\right )}{24 a^{\frac {1}{3}}}+\frac {2^{\frac {2}{3}} \ln \left (\left (a +i a \tan \left (d x +c \right )\right )^{\frac {2}{3}}+2^{\frac {1}{3}} a^{\frac {1}{3}} \left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}+2^{\frac {2}{3}} a^{\frac {2}{3}}\right )}{48 a^{\frac {1}{3}}}-\frac {\sqrt {3}\, 2^{\frac {2}{3}} \arctan \left (\frac {\sqrt {3}\, \left (\frac {2^{\frac {2}{3}} \left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}}{a^{\frac {1}{3}}}+1\right )}{3}\right )}{24 a^{\frac {1}{3}}}+\frac {3}{4 \left (a +i a \tan \left (d x +c \right )\right )^{\frac {1}{3}}}-\frac {a}{8 \left (a +i a \tan \left (d x +c \right )\right )^{\frac {4}{3}}}\right )}{d a}\) \(168\)

input
int(tan(d*x+c)^2/(a+I*a*tan(d*x+c))^(4/3),x,method=_RETURNVERBOSE)
 
output
3*I/d/a*(-1/24*2^(2/3)/a^(1/3)*ln((a+I*a*tan(d*x+c))^(1/3)-2^(1/3)*a^(1/3) 
)+1/48*2^(2/3)/a^(1/3)*ln((a+I*a*tan(d*x+c))^(2/3)+2^(1/3)*a^(1/3)*(a+I*a* 
tan(d*x+c))^(1/3)+2^(2/3)*a^(2/3))-1/24*3^(1/2)*2^(2/3)/a^(1/3)*arctan(1/3 
*3^(1/2)*(2^(2/3)/a^(1/3)*(a+I*a*tan(d*x+c))^(1/3)+1))+3/4/(a+I*a*tan(d*x+ 
c))^(1/3)-1/8*a/(a+I*a*tan(d*x+c))^(4/3))
 
3.4.2.5 Fricas [B] (verification not implemented)

Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 346 vs. \(2 (146) = 292\).

Time = 0.25 (sec) , antiderivative size = 346, normalized size of antiderivative = 1.62 \[ \int \frac {\tan ^2(c+d x)}{(a+i a \tan (c+d x))^{4/3}} \, dx=\frac {{\left (32 \, a^{2} d \left (\frac {i}{128 \, a^{4} d^{3}}\right )^{\frac {1}{3}} e^{\left (4 i \, d x + 4 i \, c\right )} \log \left (32 \, a^{3} d^{2} \left (\frac {i}{128 \, a^{4} d^{3}}\right )^{\frac {2}{3}} + 2^{\frac {1}{3}} \left (\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}\right )^{\frac {1}{3}} e^{\left (\frac {2}{3} i \, d x + \frac {2}{3} i \, c\right )}\right ) - 3 \cdot 2^{\frac {2}{3}} \left (\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}\right )^{\frac {2}{3}} {\left (-11 i \, e^{\left (4 i \, d x + 4 i \, c\right )} - 10 i \, e^{\left (2 i \, d x + 2 i \, c\right )} + i\right )} e^{\left (\frac {4}{3} i \, d x + \frac {4}{3} i \, c\right )} - 16 \, {\left (-i \, \sqrt {3} a^{2} d + a^{2} d\right )} \left (\frac {i}{128 \, a^{4} d^{3}}\right )^{\frac {1}{3}} e^{\left (4 i \, d x + 4 i \, c\right )} \log \left (-16 \, {\left (i \, \sqrt {3} a^{3} d^{2} + a^{3} d^{2}\right )} \left (\frac {i}{128 \, a^{4} d^{3}}\right )^{\frac {2}{3}} + 2^{\frac {1}{3}} \left (\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}\right )^{\frac {1}{3}} e^{\left (\frac {2}{3} i \, d x + \frac {2}{3} i \, c\right )}\right ) - 16 \, {\left (i \, \sqrt {3} a^{2} d + a^{2} d\right )} \left (\frac {i}{128 \, a^{4} d^{3}}\right )^{\frac {1}{3}} e^{\left (4 i \, d x + 4 i \, c\right )} \log \left (-16 \, {\left (-i \, \sqrt {3} a^{3} d^{2} + a^{3} d^{2}\right )} \left (\frac {i}{128 \, a^{4} d^{3}}\right )^{\frac {2}{3}} + 2^{\frac {1}{3}} \left (\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}\right )^{\frac {1}{3}} e^{\left (\frac {2}{3} i \, d x + \frac {2}{3} i \, c\right )}\right )\right )} e^{\left (-4 i \, d x - 4 i \, c\right )}}{32 \, a^{2} d} \]

input
integrate(tan(d*x+c)^2/(a+I*a*tan(d*x+c))^(4/3),x, algorithm="fricas")
 
output
1/32*(32*a^2*d*(1/128*I/(a^4*d^3))^(1/3)*e^(4*I*d*x + 4*I*c)*log(32*a^3*d^ 
2*(1/128*I/(a^4*d^3))^(2/3) + 2^(1/3)*(a/(e^(2*I*d*x + 2*I*c) + 1))^(1/3)* 
e^(2/3*I*d*x + 2/3*I*c)) - 3*2^(2/3)*(a/(e^(2*I*d*x + 2*I*c) + 1))^(2/3)*( 
-11*I*e^(4*I*d*x + 4*I*c) - 10*I*e^(2*I*d*x + 2*I*c) + I)*e^(4/3*I*d*x + 4 
/3*I*c) - 16*(-I*sqrt(3)*a^2*d + a^2*d)*(1/128*I/(a^4*d^3))^(1/3)*e^(4*I*d 
*x + 4*I*c)*log(-16*(I*sqrt(3)*a^3*d^2 + a^3*d^2)*(1/128*I/(a^4*d^3))^(2/3 
) + 2^(1/3)*(a/(e^(2*I*d*x + 2*I*c) + 1))^(1/3)*e^(2/3*I*d*x + 2/3*I*c)) - 
 16*(I*sqrt(3)*a^2*d + a^2*d)*(1/128*I/(a^4*d^3))^(1/3)*e^(4*I*d*x + 4*I*c 
)*log(-16*(-I*sqrt(3)*a^3*d^2 + a^3*d^2)*(1/128*I/(a^4*d^3))^(2/3) + 2^(1/ 
3)*(a/(e^(2*I*d*x + 2*I*c) + 1))^(1/3)*e^(2/3*I*d*x + 2/3*I*c)))*e^(-4*I*d 
*x - 4*I*c)/(a^2*d)
 
3.4.2.6 Sympy [F]

\[ \int \frac {\tan ^2(c+d x)}{(a+i a \tan (c+d x))^{4/3}} \, dx=\int \frac {\tan ^{2}{\left (c + d x \right )}}{\left (i a \left (\tan {\left (c + d x \right )} - i\right )\right )^{\frac {4}{3}}}\, dx \]

input
integrate(tan(d*x+c)**2/(a+I*a*tan(d*x+c))**(4/3),x)
 
output
Integral(tan(c + d*x)**2/(I*a*(tan(c + d*x) - I))**(4/3), x)
 
3.4.2.7 Maxima [A] (verification not implemented)

Time = 0.29 (sec) , antiderivative size = 173, normalized size of antiderivative = 0.81 \[ \int \frac {\tan ^2(c+d x)}{(a+i a \tan (c+d x))^{4/3}} \, dx=-\frac {i \, {\left (2 \, \sqrt {3} 2^{\frac {2}{3}} a^{\frac {5}{3}} \arctan \left (\frac {\sqrt {3} 2^{\frac {2}{3}} {\left (2^{\frac {1}{3}} a^{\frac {1}{3}} + 2 \, {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {1}{3}}\right )}}{6 \, a^{\frac {1}{3}}}\right ) - 2^{\frac {2}{3}} a^{\frac {5}{3}} \log \left (2^{\frac {2}{3}} a^{\frac {2}{3}} + 2^{\frac {1}{3}} {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {1}{3}} a^{\frac {1}{3}} + {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {2}{3}}\right ) + 2 \cdot 2^{\frac {2}{3}} a^{\frac {5}{3}} \log \left (-2^{\frac {1}{3}} a^{\frac {1}{3}} + {\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {1}{3}}\right ) - \frac {6 \, {\left (6 \, {\left (i \, a \tan \left (d x + c\right ) + a\right )} a^{2} - a^{3}\right )}}{{\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {4}{3}}}\right )}}{16 \, a^{3} d} \]

input
integrate(tan(d*x+c)^2/(a+I*a*tan(d*x+c))^(4/3),x, algorithm="maxima")
 
output
-1/16*I*(2*sqrt(3)*2^(2/3)*a^(5/3)*arctan(1/6*sqrt(3)*2^(2/3)*(2^(1/3)*a^( 
1/3) + 2*(I*a*tan(d*x + c) + a)^(1/3))/a^(1/3)) - 2^(2/3)*a^(5/3)*log(2^(2 
/3)*a^(2/3) + 2^(1/3)*(I*a*tan(d*x + c) + a)^(1/3)*a^(1/3) + (I*a*tan(d*x 
+ c) + a)^(2/3)) + 2*2^(2/3)*a^(5/3)*log(-2^(1/3)*a^(1/3) + (I*a*tan(d*x + 
 c) + a)^(1/3)) - 6*(6*(I*a*tan(d*x + c) + a)*a^2 - a^3)/(I*a*tan(d*x + c) 
 + a)^(4/3))/(a^3*d)
 
3.4.2.8 Giac [F]

\[ \int \frac {\tan ^2(c+d x)}{(a+i a \tan (c+d x))^{4/3}} \, dx=\int { \frac {\tan \left (d x + c\right )^{2}}{{\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {4}{3}}} \,d x } \]

input
integrate(tan(d*x+c)^2/(a+I*a*tan(d*x+c))^(4/3),x, algorithm="giac")
 
output
integrate(tan(d*x + c)^2/(I*a*tan(d*x + c) + a)^(4/3), x)
 
3.4.2.9 Mupad [B] (verification not implemented)

Time = 0.78 (sec) , antiderivative size = 217, normalized size of antiderivative = 1.02 \[ \int \frac {\tan ^2(c+d x)}{(a+i a \tan (c+d x))^{4/3}} \, dx=-\frac {\frac {3{}\mathrm {i}}{8\,d}-\frac {\left (a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}\right )\,9{}\mathrm {i}}{4\,a\,d}}{{\left (a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}\right )}^{4/3}}+\frac {{\left (\frac {1}{128}{}\mathrm {i}\right )}^{1/3}\,\ln \left (9\,{\left (a\,\left (1+\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}\right )\right )}^{1/3}+9\,{\left (-1\right )}^{1/3}\,2^{1/3}\,a^{1/3}\right )}{a^{4/3}\,d}-\frac {{\left (\frac {1}{128}{}\mathrm {i}\right )}^{1/3}\,\ln \left (-\frac {9\,{\left (a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}\right )}^{1/3}}{16\,a^2\,d^2}-\frac {9\,{\left (-1\right )}^{1/3}\,2^{1/3}\,\left (-1+\sqrt {3}\,1{}\mathrm {i}\right )}{32\,a^{5/3}\,d^2}\right )\,\left (\frac {1}{2}+\frac {\sqrt {3}\,1{}\mathrm {i}}{2}\right )}{a^{4/3}\,d}+\frac {{\left (\frac {1}{128}{}\mathrm {i}\right )}^{1/3}\,\ln \left (-\frac {9\,{\left (a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}\right )}^{1/3}}{16\,a^2\,d^2}+\frac {9\,{\left (-1\right )}^{1/3}\,2^{1/3}\,\left (1+\sqrt {3}\,1{}\mathrm {i}\right )}{32\,a^{5/3}\,d^2}\right )\,\left (-\frac {1}{2}+\frac {\sqrt {3}\,1{}\mathrm {i}}{2}\right )}{a^{4/3}\,d} \]

input
int(tan(c + d*x)^2/(a + a*tan(c + d*x)*1i)^(4/3),x)
 
output
((1i/128)^(1/3)*log(9*(a*(tan(c + d*x)*1i + 1))^(1/3) + 9*(-1)^(1/3)*2^(1/ 
3)*a^(1/3)))/(a^(4/3)*d) - (3i/(8*d) - ((a + a*tan(c + d*x)*1i)*9i)/(4*a*d 
))/(a + a*tan(c + d*x)*1i)^(4/3) - ((1i/128)^(1/3)*log(- (9*(a + a*tan(c + 
 d*x)*1i)^(1/3))/(16*a^2*d^2) - (9*(-1)^(1/3)*2^(1/3)*(3^(1/2)*1i - 1))/(3 
2*a^(5/3)*d^2))*((3^(1/2)*1i)/2 + 1/2))/(a^(4/3)*d) + ((1i/128)^(1/3)*log( 
(9*(-1)^(1/3)*2^(1/3)*(3^(1/2)*1i + 1))/(32*a^(5/3)*d^2) - (9*(a + a*tan(c 
 + d*x)*1i)^(1/3))/(16*a^2*d^2))*((3^(1/2)*1i)/2 - 1/2))/(a^(4/3)*d)