\(\int \csc ^7(a+b x) (d \tan (a+b x))^{5/2} \, dx\) [83]

Optimal result

Integrand size = 21, antiderivative size = 140 \[ \int \csc ^7(a+b x) (d \tan (a+b x))^{5/2} \, dx=-\frac {40 d^3 \csc (a+b x)}{21 b \sqrt {d \tan (a+b x)}}-\frac {20 d^3 \csc ^3(a+b x)}{21 b \sqrt {d \tan (a+b x)}}+\frac {40 d^2 \csc (a+b x) \operatorname {EllipticF}\left (a-\frac {\pi }{4}+b x,2\right ) \sqrt {\sin (2 a+2 b x)} \sqrt {d \tan (a+b x)}}{21 b}+\frac {2 d \csc ^5(a+b x) (d \tan (a+b x))^{3/2}}{3 b} \] Output:

-40/21*d^3*csc(b*x+a)/b/(d*tan(b*x+a))^(1/2)-20/21*d^3*csc(b*x+a)^3/b/(d*t 
an(b*x+a))^(1/2)+40/21*d^2*csc(b*x+a)*InverseJacobiAM(a-1/4*Pi+b*x,2^(1/2) 
)*sin(2*b*x+2*a)^(1/2)*(d*tan(b*x+a))^(1/2)/b+2/3*d*csc(b*x+a)^5*(d*tan(b* 
x+a))^(3/2)/b
 

Mathematica [C] (warning: unable to verify)

Result contains complex when optimal does not.

Time = 1.52 (sec) , antiderivative size = 130, normalized size of antiderivative = 0.93 \[ \int \csc ^7(a+b x) (d \tan (a+b x))^{5/2} \, dx=-\frac {d^2 \csc (a+b x) \left ((1+10 \cos (2 (a+b x))-5 \cos (4 (a+b x))) \csc ^3(a+b x) \sec (a+b x) \sqrt {\sec ^2(a+b x)}+80 \sqrt [4]{-1} \operatorname {EllipticF}\left (i \text {arcsinh}\left (\sqrt [4]{-1} \sqrt {\tan (a+b x)}\right ),-1\right ) \sqrt {\tan (a+b x)}\right ) \sqrt {d \tan (a+b x)}}{21 b \sqrt {\sec ^2(a+b x)}} \] Input:

Integrate[Csc[a + b*x]^7*(d*Tan[a + b*x])^(5/2),x]
 

Output:

-1/21*(d^2*Csc[a + b*x]*((1 + 10*Cos[2*(a + b*x)] - 5*Cos[4*(a + b*x)])*Cs 
c[a + b*x]^3*Sec[a + b*x]*Sqrt[Sec[a + b*x]^2] + 80*(-1)^(1/4)*EllipticF[I 
*ArcSinh[(-1)^(1/4)*Sqrt[Tan[a + b*x]]], -1]*Sqrt[Tan[a + b*x]])*Sqrt[d*Ta 
n[a + b*x]])/(b*Sqrt[Sec[a + b*x]^2])
 

Rubi [A] (verified)

Time = 0.69 (sec) , antiderivative size = 146, normalized size of antiderivative = 1.04, number of steps used = 12, number of rules used = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.571, Rules used = {3042, 3073, 3042, 3079, 3042, 3079, 3042, 3081, 3042, 3053, 3042, 3120}

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.

\(\displaystyle \int \csc ^7(a+b x) (d \tan (a+b x))^{5/2} \, dx\)

\(\Big \downarrow \) 3042

\(\displaystyle \int \frac {(d \tan (a+b x))^{5/2}}{\sin (a+b x)^7}dx\)

\(\Big \downarrow \) 3073

\(\displaystyle \frac {10}{3} d^2 \int \csc ^5(a+b x) \sqrt {d \tan (a+b x)}dx+\frac {2 d \csc ^5(a+b x) (d \tan (a+b x))^{3/2}}{3 b}\)

\(\Big \downarrow \) 3042

\(\displaystyle \frac {10}{3} d^2 \int \frac {\sqrt {d \tan (a+b x)}}{\sin (a+b x)^5}dx+\frac {2 d \csc ^5(a+b x) (d \tan (a+b x))^{3/2}}{3 b}\)

\(\Big \downarrow \) 3079

\(\displaystyle \frac {10}{3} d^2 \left (\frac {6}{7} \int \csc ^3(a+b x) \sqrt {d \tan (a+b x)}dx-\frac {2 d \csc ^3(a+b x)}{7 b \sqrt {d \tan (a+b x)}}\right )+\frac {2 d \csc ^5(a+b x) (d \tan (a+b x))^{3/2}}{3 b}\)

\(\Big \downarrow \) 3042

\(\displaystyle \frac {10}{3} d^2 \left (\frac {6}{7} \int \frac {\sqrt {d \tan (a+b x)}}{\sin (a+b x)^3}dx-\frac {2 d \csc ^3(a+b x)}{7 b \sqrt {d \tan (a+b x)}}\right )+\frac {2 d \csc ^5(a+b x) (d \tan (a+b x))^{3/2}}{3 b}\)

\(\Big \downarrow \) 3079

\(\displaystyle \frac {10}{3} d^2 \left (\frac {6}{7} \left (\frac {2}{3} \int \csc (a+b x) \sqrt {d \tan (a+b x)}dx-\frac {2 d \csc (a+b x)}{3 b \sqrt {d \tan (a+b x)}}\right )-\frac {2 d \csc ^3(a+b x)}{7 b \sqrt {d \tan (a+b x)}}\right )+\frac {2 d \csc ^5(a+b x) (d \tan (a+b x))^{3/2}}{3 b}\)

\(\Big \downarrow \) 3042

\(\displaystyle \frac {10}{3} d^2 \left (\frac {6}{7} \left (\frac {2}{3} \int \frac {\sqrt {d \tan (a+b x)}}{\sin (a+b x)}dx-\frac {2 d \csc (a+b x)}{3 b \sqrt {d \tan (a+b x)}}\right )-\frac {2 d \csc ^3(a+b x)}{7 b \sqrt {d \tan (a+b x)}}\right )+\frac {2 d \csc ^5(a+b x) (d \tan (a+b x))^{3/2}}{3 b}\)

\(\Big \downarrow \) 3081

\(\displaystyle \frac {10}{3} d^2 \left (\frac {6}{7} \left (\frac {2 \sqrt {\cos (a+b x)} \sqrt {d \tan (a+b x)} \int \frac {1}{\sqrt {\cos (a+b x)} \sqrt {\sin (a+b x)}}dx}{3 \sqrt {\sin (a+b x)}}-\frac {2 d \csc (a+b x)}{3 b \sqrt {d \tan (a+b x)}}\right )-\frac {2 d \csc ^3(a+b x)}{7 b \sqrt {d \tan (a+b x)}}\right )+\frac {2 d \csc ^5(a+b x) (d \tan (a+b x))^{3/2}}{3 b}\)

\(\Big \downarrow \) 3042

\(\displaystyle \frac {10}{3} d^2 \left (\frac {6}{7} \left (\frac {2 \sqrt {\cos (a+b x)} \sqrt {d \tan (a+b x)} \int \frac {1}{\sqrt {\cos (a+b x)} \sqrt {\sin (a+b x)}}dx}{3 \sqrt {\sin (a+b x)}}-\frac {2 d \csc (a+b x)}{3 b \sqrt {d \tan (a+b x)}}\right )-\frac {2 d \csc ^3(a+b x)}{7 b \sqrt {d \tan (a+b x)}}\right )+\frac {2 d \csc ^5(a+b x) (d \tan (a+b x))^{3/2}}{3 b}\)

\(\Big \downarrow \) 3053

\(\displaystyle \frac {10}{3} d^2 \left (\frac {6}{7} \left (\frac {2}{3} \sqrt {\sin (2 a+2 b x)} \csc (a+b x) \sqrt {d \tan (a+b x)} \int \frac {1}{\sqrt {\sin (2 a+2 b x)}}dx-\frac {2 d \csc (a+b x)}{3 b \sqrt {d \tan (a+b x)}}\right )-\frac {2 d \csc ^3(a+b x)}{7 b \sqrt {d \tan (a+b x)}}\right )+\frac {2 d \csc ^5(a+b x) (d \tan (a+b x))^{3/2}}{3 b}\)

\(\Big \downarrow \) 3042

\(\displaystyle \frac {10}{3} d^2 \left (\frac {6}{7} \left (\frac {2}{3} \sqrt {\sin (2 a+2 b x)} \csc (a+b x) \sqrt {d \tan (a+b x)} \int \frac {1}{\sqrt {\sin (2 a+2 b x)}}dx-\frac {2 d \csc (a+b x)}{3 b \sqrt {d \tan (a+b x)}}\right )-\frac {2 d \csc ^3(a+b x)}{7 b \sqrt {d \tan (a+b x)}}\right )+\frac {2 d \csc ^5(a+b x) (d \tan (a+b x))^{3/2}}{3 b}\)

\(\Big \downarrow \) 3120

\(\displaystyle \frac {10}{3} d^2 \left (\frac {6}{7} \left (\frac {2 \sqrt {\sin (2 a+2 b x)} \csc (a+b x) \operatorname {EllipticF}\left (a+b x-\frac {\pi }{4},2\right ) \sqrt {d \tan (a+b x)}}{3 b}-\frac {2 d \csc (a+b x)}{3 b \sqrt {d \tan (a+b x)}}\right )-\frac {2 d \csc ^3(a+b x)}{7 b \sqrt {d \tan (a+b x)}}\right )+\frac {2 d \csc ^5(a+b x) (d \tan (a+b x))^{3/2}}{3 b}\)

Input:

Int[Csc[a + b*x]^7*(d*Tan[a + b*x])^(5/2),x]
 

Output:

(2*d*Csc[a + b*x]^5*(d*Tan[a + b*x])^(3/2))/(3*b) + (10*d^2*((-2*d*Csc[a + 
 b*x]^3)/(7*b*Sqrt[d*Tan[a + b*x]]) + (6*((-2*d*Csc[a + b*x])/(3*b*Sqrt[d* 
Tan[a + b*x]]) + (2*Csc[a + b*x]*EllipticF[a - Pi/4 + b*x, 2]*Sqrt[Sin[2*a 
 + 2*b*x]]*Sqrt[d*Tan[a + b*x]])/(3*b)))/7))/3
 

Defintions of rubi rules used

rule 3042

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

rule 3053

Int[1/(Sqrt[cos[(e_.) + (f_.)*(x_)]*(b_.)]*Sqrt[(a_.)*sin[(e_.) + (f_.)*(x_ 
)]]), x_Symbol] :> Simp[Sqrt[Sin[2*e + 2*f*x]]/(Sqrt[a*Sin[e + f*x]]*Sqrt[b 
*Cos[e + f*x]])   Int[1/Sqrt[Sin[2*e + 2*f*x]], x], x] /; FreeQ[{a, b, e, f 
}, x]
 

rule 3073

Int[((a_.)*sin[(e_.) + (f_.)*(x_)])^(m_)*((b_.)*tan[(e_.) + (f_.)*(x_)])^(n 
_), x_Symbol] :> Simp[b*(a*Sin[e + f*x])^(m + 2)*((b*Tan[e + f*x])^(n - 1)/ 
(a^2*f*(n - 1))), x] - Simp[b^2*((m + 2)/(a^2*(n - 1)))   Int[(a*Sin[e + f* 
x])^(m + 2)*(b*Tan[e + f*x])^(n - 2), x], x] /; FreeQ[{a, b, e, f}, x] && G 
tQ[n, 1] && (LtQ[m, -1] || (EqQ[m, -1] && EqQ[n, 3/2])) && IntegersQ[2*m, 2 
*n]
 

rule 3079

Int[((a_.)*sin[(e_.) + (f_.)*(x_)])^(m_)*((b_.)*tan[(e_.) + (f_.)*(x_)])^(n 
_.), x_Symbol] :> Simp[b*(a*Sin[e + f*x])^(m + 2)*((b*Tan[e + f*x])^(n - 1) 
/(a^2*f*(m + n + 1))), x] + Simp[(m + 2)/(a^2*(m + n + 1))   Int[(a*Sin[e + 
 f*x])^(m + 2)*(b*Tan[e + f*x])^n, x], x] /; FreeQ[{a, b, e, f, n}, x] && L 
tQ[m, -1] && NeQ[m + n + 1, 0] && IntegersQ[2*m, 2*n]
 

rule 3081

Int[((a_.)*sin[(e_.) + (f_.)*(x_)])^(m_.)*((b_.)*tan[(e_.) + (f_.)*(x_)])^( 
n_), x_Symbol] :> Simp[Cos[e + f*x]^n*((b*Tan[e + f*x])^n/(a*Sin[e + f*x])^ 
n)   Int[(a*Sin[e + f*x])^(m + n)/Cos[e + f*x]^n, x], x] /; FreeQ[{a, b, e, 
 f, m, n}, x] &&  !IntegerQ[n] && (ILtQ[m, 0] || (EqQ[m, 1] && EqQ[n, -2^(- 
1)]) || IntegersQ[m - 1/2, n - 1/2])
 

rule 3120

Int[1/Sqrt[sin[(c_.) + (d_.)*(x_)]], x_Symbol] :> Simp[(2/d)*EllipticF[(1/2 
)*(c - Pi/2 + d*x), 2], x] /; FreeQ[{c, d}, x]
 

Maple [A] (verified)

Time = 231.62 (sec) , antiderivative size = 159, normalized size of antiderivative = 1.14

method	result	size
default	\(\frac {\left (-\frac {2 \sin \left (b x +a \right )^{3} \cos \left (b x +a \right ) \left (-20 \cos \left (b x +a \right )-20\right ) \sqrt {\csc \left (b x +a \right )-\cot \left (b x +a \right )+1}\, \sqrt {-2 \csc \left (b x +a \right )+2 \cot \left (b x +a \right )+2}\, \sqrt {-\csc \left (b x +a \right )+\cot \left (b x +a \right )}\, \operatorname {EllipticF}\left (\sqrt {\csc \left (b x +a \right )-\cot \left (b x +a \right )+1}, \frac {\sqrt {2}}{2}\right )}{21}+\frac {40 \cos \left (b x +a \right )^{4}}{21}-\frac {20 \cos \left (b x +a \right )^{2}}{7}+\frac {2}{3}\right ) \sec \left (b x +a \right ) \csc \left (b x +a \right )^{4} \sqrt {d \tan \left (b x +a \right )}\, d^{2}}{b}\)	\(159\)

Input:

int(csc(b*x+a)^7*(d*tan(b*x+a))^(5/2),x,method=_RETURNVERBOSE)
 

Output:

1/b*(-2/21*sin(b*x+a)^3*cos(b*x+a)*(-20*cos(b*x+a)-20)*(csc(b*x+a)-cot(b*x 
+a)+1)^(1/2)*(-2*csc(b*x+a)+2*cot(b*x+a)+2)^(1/2)*(-csc(b*x+a)+cot(b*x+a)) 
^(1/2)*EllipticF((csc(b*x+a)-cot(b*x+a)+1)^(1/2),1/2*2^(1/2))+40/21*cos(b* 
x+a)^4-20/7*cos(b*x+a)^2+2/3)*sec(b*x+a)*csc(b*x+a)^4*(d*tan(b*x+a))^(1/2) 
*d^2
 

Fricas [C] (verification not implemented)

Result contains complex when optimal does not.

Time = 0.11 (sec) , antiderivative size = 209, normalized size of antiderivative = 1.49 \[ \int \csc ^7(a+b x) (d \tan (a+b x))^{5/2} \, dx=-\frac {2 \, {\left (20 \, {\left (d^{2} \cos \left (b x + a\right )^{5} - 2 \, d^{2} \cos \left (b x + a\right )^{3} + d^{2} \cos \left (b x + a\right )\right )} \sqrt {i \, d} F(\arcsin \left (\cos \left (b x + a\right ) + i \, \sin \left (b x + a\right )\right )\,|\,-1) + 20 \, {\left (d^{2} \cos \left (b x + a\right )^{5} - 2 \, d^{2} \cos \left (b x + a\right )^{3} + d^{2} \cos \left (b x + a\right )\right )} \sqrt {-i \, d} F(\arcsin \left (\cos \left (b x + a\right ) - i \, \sin \left (b x + a\right )\right )\,|\,-1) - {\left (20 \, d^{2} \cos \left (b x + a\right )^{4} - 30 \, d^{2} \cos \left (b x + a\right )^{2} + 7 \, d^{2}\right )} \sqrt {\frac {d \sin \left (b x + a\right )}{\cos \left (b x + a\right )}}\right )}}{21 \, {\left (b \cos \left (b x + a\right )^{5} - 2 \, b \cos \left (b x + a\right )^{3} + b \cos \left (b x + a\right )\right )}} \] Input:

integrate(csc(b*x+a)^7*(d*tan(b*x+a))^(5/2),x, algorithm="fricas")
 

Output:

-2/21*(20*(d^2*cos(b*x + a)^5 - 2*d^2*cos(b*x + a)^3 + d^2*cos(b*x + a))*s 
qrt(I*d)*elliptic_f(arcsin(cos(b*x + a) + I*sin(b*x + a)), -1) + 20*(d^2*c 
os(b*x + a)^5 - 2*d^2*cos(b*x + a)^3 + d^2*cos(b*x + a))*sqrt(-I*d)*ellipt 
ic_f(arcsin(cos(b*x + a) - I*sin(b*x + a)), -1) - (20*d^2*cos(b*x + a)^4 - 
 30*d^2*cos(b*x + a)^2 + 7*d^2)*sqrt(d*sin(b*x + a)/cos(b*x + a)))/(b*cos( 
b*x + a)^5 - 2*b*cos(b*x + a)^3 + b*cos(b*x + a))
 

Sympy [F(-1)]

Timed out. \[ \int \csc ^7(a+b x) (d \tan (a+b x))^{5/2} \, dx=\text {Timed out} \] Input:

integrate(csc(b*x+a)**7*(d*tan(b*x+a))**(5/2),x)
 

Output:

Timed out
 

Maxima [F]

\[ \int \csc ^7(a+b x) (d \tan (a+b x))^{5/2} \, dx=\int { \left (d \tan \left (b x + a\right )\right )^{\frac {5}{2}} \csc \left (b x + a\right )^{7} \,d x } \] Input:

integrate(csc(b*x+a)^7*(d*tan(b*x+a))^(5/2),x, algorithm="maxima")
 

Output:

integrate((d*tan(b*x + a))^(5/2)*csc(b*x + a)^7, x)
 

Giac [F]

\[ \int \csc ^7(a+b x) (d \tan (a+b x))^{5/2} \, dx=\int { \left (d \tan \left (b x + a\right )\right )^{\frac {5}{2}} \csc \left (b x + a\right )^{7} \,d x } \] Input:

integrate(csc(b*x+a)^7*(d*tan(b*x+a))^(5/2),x, algorithm="giac")
 

Output:

integrate((d*tan(b*x + a))^(5/2)*csc(b*x + a)^7, x)
 

Mupad [F(-1)]

Timed out. \[ \int \csc ^7(a+b x) (d \tan (a+b x))^{5/2} \, dx=\int \frac {{\left (d\,\mathrm {tan}\left (a+b\,x\right )\right )}^{5/2}}{{\sin \left (a+b\,x\right )}^7} \,d x \] Input:

int((d*tan(a + b*x))^(5/2)/sin(a + b*x)^7,x)
 

Output:

int((d*tan(a + b*x))^(5/2)/sin(a + b*x)^7, x)
                                                                                    
                                                                                    
 

Reduce [F]

\[ \int \csc ^7(a+b x) (d \tan (a+b x))^{5/2} \, dx=\sqrt {d}\, \left (\int \sqrt {\tan \left (b x +a \right )}\, \csc \left (b x +a \right )^{7} \tan \left (b x +a \right )^{2}d x \right ) d^{2} \] Input:

int(csc(b*x+a)^7*(d*tan(b*x+a))^(5/2),x)
 

Output:

sqrt(d)*int(sqrt(tan(a + b*x))*csc(a + b*x)**7*tan(a + b*x)**2,x)*d**2