\(\int \frac {1}{(a+a \sin (e+f x))^{5/2}} \, dx\) [568]

Optimal result

Integrand size = 14, antiderivative size = 107 \[ \int \frac {1}{(a+a \sin (e+f x))^{5/2}} \, dx=-\frac {3 \text {arctanh}\left (\frac {\sqrt {a} \cos (e+f x)}{\sqrt {2} \sqrt {a+a \sin (e+f x)}}\right )}{16 \sqrt {2} a^{5/2} f}-\frac {\cos (e+f x)}{4 f (a+a \sin (e+f x))^{5/2}}-\frac {3 \cos (e+f x)}{16 a f (a+a \sin (e+f x))^{3/2}} \] Output:

-3/32*arctanh(1/2*a^(1/2)*cos(f*x+e)*2^(1/2)/(a+a*sin(f*x+e))^(1/2))*2^(1/ 
2)/a^(5/2)/f-1/4*cos(f*x+e)/f/(a+a*sin(f*x+e))^(5/2)-3/16*cos(f*x+e)/a/f/( 
a+a*sin(f*x+e))^(3/2)
 

Mathematica [C] (verified)

Result contains complex when optimal does not.

Time = 0.20 (sec) , antiderivative size = 196, normalized size of antiderivative = 1.83 \[ \int \frac {1}{(a+a \sin (e+f x))^{5/2}} \, dx=\frac {\left (\cos \left (\frac {1}{2} (e+f x)\right )+\sin \left (\frac {1}{2} (e+f x)\right )\right ) \left (8 \sin \left (\frac {1}{2} (e+f x)\right )-4 \left (\cos \left (\frac {1}{2} (e+f x)\right )+\sin \left (\frac {1}{2} (e+f x)\right )\right )+6 \sin \left (\frac {1}{2} (e+f x)\right ) \left (\cos \left (\frac {1}{2} (e+f x)\right )+\sin \left (\frac {1}{2} (e+f x)\right )\right )^2-3 \left (\cos \left (\frac {1}{2} (e+f x)\right )+\sin \left (\frac {1}{2} (e+f x)\right )\right )^3+(3+3 i) (-1)^{3/4} \text {arctanh}\left (\left (\frac {1}{2}+\frac {i}{2}\right ) (-1)^{3/4} \left (-1+\tan \left (\frac {1}{4} (e+f x)\right )\right )\right ) \left (\cos \left (\frac {1}{2} (e+f x)\right )+\sin \left (\frac {1}{2} (e+f x)\right )\right )^4\right )}{16 f (a (1+\sin (e+f x)))^{5/2}} \] Input:

Integrate[(a + a*Sin[e + f*x])^(-5/2),x]
 

Output:

((Cos[(e + f*x)/2] + Sin[(e + f*x)/2])*(8*Sin[(e + f*x)/2] - 4*(Cos[(e + f 
*x)/2] + Sin[(e + f*x)/2]) + 6*Sin[(e + f*x)/2]*(Cos[(e + f*x)/2] + Sin[(e 
 + f*x)/2])^2 - 3*(Cos[(e + f*x)/2] + Sin[(e + f*x)/2])^3 + (3 + 3*I)*(-1) 
^(3/4)*ArcTanh[(1/2 + I/2)*(-1)^(3/4)*(-1 + Tan[(e + f*x)/4])]*(Cos[(e + f 
*x)/2] + Sin[(e + f*x)/2])^4))/(16*f*(a*(1 + Sin[e + f*x]))^(5/2))
 

Rubi [A] (verified)

Time = 0.39 (sec) , antiderivative size = 112, normalized size of antiderivative = 1.05, number of steps used = 8, number of rules used = 7, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.500, Rules used = {3042, 3129, 3042, 3129, 3042, 3128, 219}

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.

\(\displaystyle \int \frac {1}{(a \sin (e+f x)+a)^{5/2}} \, dx\)

\(\Big \downarrow \) 3042

\(\displaystyle \int \frac {1}{(a \sin (e+f x)+a)^{5/2}}dx\)

\(\Big \downarrow \) 3129

\(\displaystyle \frac {3 \int \frac {1}{(\sin (e+f x) a+a)^{3/2}}dx}{8 a}-\frac {\cos (e+f x)}{4 f (a \sin (e+f x)+a)^{5/2}}\)

\(\Big \downarrow \) 3042

\(\displaystyle \frac {3 \int \frac {1}{(\sin (e+f x) a+a)^{3/2}}dx}{8 a}-\frac {\cos (e+f x)}{4 f (a \sin (e+f x)+a)^{5/2}}\)

\(\Big \downarrow \) 3129

\(\displaystyle \frac {3 \left (\frac {\int \frac {1}{\sqrt {\sin (e+f x) a+a}}dx}{4 a}-\frac {\cos (e+f x)}{2 f (a \sin (e+f x)+a)^{3/2}}\right )}{8 a}-\frac {\cos (e+f x)}{4 f (a \sin (e+f x)+a)^{5/2}}\)

\(\Big \downarrow \) 3042

\(\displaystyle \frac {3 \left (\frac {\int \frac {1}{\sqrt {\sin (e+f x) a+a}}dx}{4 a}-\frac {\cos (e+f x)}{2 f (a \sin (e+f x)+a)^{3/2}}\right )}{8 a}-\frac {\cos (e+f x)}{4 f (a \sin (e+f x)+a)^{5/2}}\)

\(\Big \downarrow \) 3128

\(\displaystyle \frac {3 \left (-\frac {\int \frac {1}{2 a-\frac {a^2 \cos ^2(e+f x)}{\sin (e+f x) a+a}}d\frac {a \cos (e+f x)}{\sqrt {\sin (e+f x) a+a}}}{2 a f}-\frac {\cos (e+f x)}{2 f (a \sin (e+f x)+a)^{3/2}}\right )}{8 a}-\frac {\cos (e+f x)}{4 f (a \sin (e+f x)+a)^{5/2}}\)

\(\Big \downarrow \) 219

\(\displaystyle \frac {3 \left (-\frac {\text {arctanh}\left (\frac {\sqrt {a} \cos (e+f x)}{\sqrt {2} \sqrt {a \sin (e+f x)+a}}\right )}{2 \sqrt {2} a^{3/2} f}-\frac {\cos (e+f x)}{2 f (a \sin (e+f x)+a)^{3/2}}\right )}{8 a}-\frac {\cos (e+f x)}{4 f (a \sin (e+f x)+a)^{5/2}}\)

Input:

Int[(a + a*Sin[e + f*x])^(-5/2),x]
 

Output:

-1/4*Cos[e + f*x]/(f*(a + a*Sin[e + f*x])^(5/2)) + (3*(-1/2*ArcTanh[(Sqrt[ 
a]*Cos[e + f*x])/(Sqrt[2]*Sqrt[a + a*Sin[e + f*x]])]/(Sqrt[2]*a^(3/2)*f) - 
 Cos[e + f*x]/(2*f*(a + a*Sin[e + f*x])^(3/2))))/(8*a)
 

Defintions of rubi rules used

rule 219

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

rule 3042

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

rule 3128

Int[1/Sqrt[(a_) + (b_.)*sin[(c_.) + (d_.)*(x_)]], x_Symbol] :> Simp[-2/d 
Subst[Int[1/(2*a - x^2), x], x, b*(Cos[c + d*x]/Sqrt[a + b*Sin[c + d*x]])], 
 x] /; FreeQ[{a, b, c, d}, x] && EqQ[a^2 - b^2, 0]
 

rule 3129

Int[((a_) + (b_.)*sin[(c_.) + (d_.)*(x_)])^(n_), x_Symbol] :> Simp[b*Cos[c 
+ d*x]*((a + b*Sin[c + d*x])^n/(a*d*(2*n + 1))), x] + Simp[(n + 1)/(a*(2*n 
+ 1))   Int[(a + b*Sin[c + d*x])^(n + 1), x], x] /; FreeQ[{a, b, c, d}, x] 
&& EqQ[a^2 - b^2, 0] && LtQ[n, -1] && IntegerQ[2*n]
 

Maple [B] (verified)

Leaf count of result is larger than twice the leaf count of optimal. \(198\) vs. \(2(88)=176\).

Time = 0.61 (sec) , antiderivative size = 199, normalized size of antiderivative = 1.86

method	result	size
default	\(-\frac {\left (-3 \sqrt {2}\, \operatorname {arctanh}\left (\frac {\sqrt {a -\sin \left (f x +e \right ) a}\, \sqrt {2}}{2 \sqrt {a}}\right ) a^{2} \cos \left (f x +e \right )^{2}+6 \sqrt {a -\sin \left (f x +e \right ) a}\, \sin \left (f x +e \right ) a^{\frac {3}{2}}+6 \sqrt {2}\, \operatorname {arctanh}\left (\frac {\sqrt {a -\sin \left (f x +e \right ) a}\, \sqrt {2}}{2 \sqrt {a}}\right ) a^{2} \sin \left (f x +e \right )+14 \sqrt {a -\sin \left (f x +e \right ) a}\, a^{\frac {3}{2}}+6 \sqrt {2}\, \operatorname {arctanh}\left (\frac {\sqrt {a -\sin \left (f x +e \right ) a}\, \sqrt {2}}{2 \sqrt {a}}\right ) a^{2}\right ) \sqrt {-a \left (-1+\sin \left (f x +e \right )\right )}}{32 a^{\frac {9}{2}} \left (1+\sin \left (f x +e \right )\right ) \cos \left (f x +e \right ) \sqrt {a +\sin \left (f x +e \right ) a}\, f}\)	\(199\)

Input:

int(1/(a+sin(f*x+e)*a)^(5/2),x,method=_RETURNVERBOSE)
 

Output:

-1/32/a^(9/2)*(-3*2^(1/2)*arctanh(1/2*(a-sin(f*x+e)*a)^(1/2)*2^(1/2)/a^(1/ 
2))*a^2*cos(f*x+e)^2+6*(a-sin(f*x+e)*a)^(1/2)*sin(f*x+e)*a^(3/2)+6*2^(1/2) 
*arctanh(1/2*(a-sin(f*x+e)*a)^(1/2)*2^(1/2)/a^(1/2))*a^2*sin(f*x+e)+14*(a- 
sin(f*x+e)*a)^(1/2)*a^(3/2)+6*2^(1/2)*arctanh(1/2*(a-sin(f*x+e)*a)^(1/2)*2 
^(1/2)/a^(1/2))*a^2)*(-a*(-1+sin(f*x+e)))^(1/2)/(1+sin(f*x+e))/cos(f*x+e)/ 
(a+sin(f*x+e)*a)^(1/2)/f
 

Fricas [B] (verification not implemented)

Leaf count of result is larger than twice the leaf count of optimal. 320 vs. \(2 (88) = 176\).

Time = 0.09 (sec) , antiderivative size = 320, normalized size of antiderivative = 2.99 \[ \int \frac {1}{(a+a \sin (e+f x))^{5/2}} \, dx=\frac {3 \, \sqrt {2} {\left (\cos \left (f x + e\right )^{3} + 3 \, \cos \left (f x + e\right )^{2} + {\left (\cos \left (f x + e\right )^{2} - 2 \, \cos \left (f x + e\right ) - 4\right )} \sin \left (f x + e\right ) - 2 \, \cos \left (f x + e\right ) - 4\right )} \sqrt {a} \log \left (-\frac {a \cos \left (f x + e\right )^{2} - 2 \, \sqrt {2} \sqrt {a \sin \left (f x + e\right ) + a} \sqrt {a} {\left (\cos \left (f x + e\right ) - \sin \left (f x + e\right ) + 1\right )} + 3 \, a \cos \left (f x + e\right ) - {\left (a \cos \left (f x + e\right ) - 2 \, a\right )} \sin \left (f x + e\right ) + 2 \, a}{\cos \left (f x + e\right )^{2} - {\left (\cos \left (f x + e\right ) + 2\right )} \sin \left (f x + e\right ) - \cos \left (f x + e\right ) - 2}\right ) + 4 \, {\left (3 \, \cos \left (f x + e\right )^{2} + {\left (3 \, \cos \left (f x + e\right ) - 4\right )} \sin \left (f x + e\right ) + 7 \, \cos \left (f x + e\right ) + 4\right )} \sqrt {a \sin \left (f x + e\right ) + a}}{64 \, {\left (a^{3} f \cos \left (f x + e\right )^{3} + 3 \, a^{3} f \cos \left (f x + e\right )^{2} - 2 \, a^{3} f \cos \left (f x + e\right ) - 4 \, a^{3} f + {\left (a^{3} f \cos \left (f x + e\right )^{2} - 2 \, a^{3} f \cos \left (f x + e\right ) - 4 \, a^{3} f\right )} \sin \left (f x + e\right )\right )}} \] Input:

integrate(1/(a+a*sin(f*x+e))^(5/2),x, algorithm="fricas")
 

Output:

1/64*(3*sqrt(2)*(cos(f*x + e)^3 + 3*cos(f*x + e)^2 + (cos(f*x + e)^2 - 2*c 
os(f*x + e) - 4)*sin(f*x + e) - 2*cos(f*x + e) - 4)*sqrt(a)*log(-(a*cos(f* 
x + e)^2 - 2*sqrt(2)*sqrt(a*sin(f*x + e) + a)*sqrt(a)*(cos(f*x + e) - sin( 
f*x + e) + 1) + 3*a*cos(f*x + e) - (a*cos(f*x + e) - 2*a)*sin(f*x + e) + 2 
*a)/(cos(f*x + e)^2 - (cos(f*x + e) + 2)*sin(f*x + e) - cos(f*x + e) - 2)) 
 + 4*(3*cos(f*x + e)^2 + (3*cos(f*x + e) - 4)*sin(f*x + e) + 7*cos(f*x + e 
) + 4)*sqrt(a*sin(f*x + e) + a))/(a^3*f*cos(f*x + e)^3 + 3*a^3*f*cos(f*x + 
 e)^2 - 2*a^3*f*cos(f*x + e) - 4*a^3*f + (a^3*f*cos(f*x + e)^2 - 2*a^3*f*c 
os(f*x + e) - 4*a^3*f)*sin(f*x + e))
 

Sympy [F]

\[ \int \frac {1}{(a+a \sin (e+f x))^{5/2}} \, dx=\int \frac {1}{\left (a \sin {\left (e + f x \right )} + a\right )^{\frac {5}{2}}}\, dx \] Input:

integrate(1/(a+a*sin(f*x+e))**(5/2),x)
 

Output:

Integral((a*sin(e + f*x) + a)**(-5/2), x)
 

Maxima [F]

\[ \int \frac {1}{(a+a \sin (e+f x))^{5/2}} \, dx=\int { \frac {1}{{\left (a \sin \left (f x + e\right ) + a\right )}^{\frac {5}{2}}} \,d x } \] Input:

integrate(1/(a+a*sin(f*x+e))^(5/2),x, algorithm="maxima")
 

Output:

integrate((a*sin(f*x + e) + a)^(-5/2), x)
 

Giac [A] (verification not implemented)

Time = 0.14 (sec) , antiderivative size = 153, normalized size of antiderivative = 1.43 \[ \int \frac {1}{(a+a \sin (e+f x))^{5/2}} \, dx=\frac {\sqrt {2} {\left (\frac {3 \, \log \left (\sin \left (-\frac {1}{4} \, \pi + \frac {1}{2} \, f x + \frac {1}{2} \, e\right ) + 1\right )}{a^{2} \mathrm {sgn}\left (\cos \left (-\frac {1}{4} \, \pi + \frac {1}{2} \, f x + \frac {1}{2} \, e\right )\right )} - \frac {3 \, \log \left (-\sin \left (-\frac {1}{4} \, \pi + \frac {1}{2} \, f x + \frac {1}{2} \, e\right ) + 1\right )}{a^{2} \mathrm {sgn}\left (\cos \left (-\frac {1}{4} \, \pi + \frac {1}{2} \, f x + \frac {1}{2} \, e\right )\right )} - \frac {2 \, {\left (3 \, \sin \left (-\frac {1}{4} \, \pi + \frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{3} - 5 \, \sin \left (-\frac {1}{4} \, \pi + \frac {1}{2} \, f x + \frac {1}{2} \, e\right )\right )}}{{\left (\sin \left (-\frac {1}{4} \, \pi + \frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{2} - 1\right )}^{2} a^{2} \mathrm {sgn}\left (\cos \left (-\frac {1}{4} \, \pi + \frac {1}{2} \, f x + \frac {1}{2} \, e\right )\right )}\right )}}{64 \, \sqrt {a} f} \] Input:

integrate(1/(a+a*sin(f*x+e))^(5/2),x, algorithm="giac")
 

Output:

1/64*sqrt(2)*(3*log(sin(-1/4*pi + 1/2*f*x + 1/2*e) + 1)/(a^2*sgn(cos(-1/4* 
pi + 1/2*f*x + 1/2*e))) - 3*log(-sin(-1/4*pi + 1/2*f*x + 1/2*e) + 1)/(a^2* 
sgn(cos(-1/4*pi + 1/2*f*x + 1/2*e))) - 2*(3*sin(-1/4*pi + 1/2*f*x + 1/2*e) 
^3 - 5*sin(-1/4*pi + 1/2*f*x + 1/2*e))/((sin(-1/4*pi + 1/2*f*x + 1/2*e)^2 
- 1)^2*a^2*sgn(cos(-1/4*pi + 1/2*f*x + 1/2*e))))/(sqrt(a)*f)
 

Mupad [F(-1)]

Timed out. \[ \int \frac {1}{(a+a \sin (e+f x))^{5/2}} \, dx=\int \frac {1}{{\left (a+a\,\sin \left (e+f\,x\right )\right )}^{5/2}} \,d x \] Input:

int(1/(a + a*sin(e + f*x))^(5/2),x)
 

Output:

int(1/(a + a*sin(e + f*x))^(5/2), x)
 

Reduce [F]

\[ \int \frac {1}{(a+a \sin (e+f x))^{5/2}} \, dx=\frac {\sqrt {a}\, \left (\int \frac {\sqrt {\sin \left (f x +e \right )+1}}{\sin \left (f x +e \right )^{3}+3 \sin \left (f x +e \right )^{2}+3 \sin \left (f x +e \right )+1}d x \right )}{a^{3}} \] Input:

int(1/(a+a*sin(f*x+e))^(5/2),x)
 

Output:

(sqrt(a)*int(sqrt(sin(e + f*x) + 1)/(sin(e + f*x)**3 + 3*sin(e + f*x)**2 + 
 3*sin(e + f*x) + 1),x))/a**3