\(\int (1+\sin (e+f x))^m (3+\sin (e+f x))^{-1-m} \, dx\) [631]

Optimal result

Integrand size = 25, antiderivative size = 106 \[ \int (1+\sin (e+f x))^m (3+\sin (e+f x))^{-1-m} \, dx=-\frac {2^{-\frac {1}{2}-m} \cos (e+f x) \operatorname {Hypergeometric2F1}\left (\frac {1}{2},\frac {1}{2}-m,\frac {3}{2},\frac {1-\sin (e+f x)}{3+\sin (e+f x)}\right ) (1+\sin (e+f x))^{-1+m} \left (\frac {1+\sin (e+f x)}{3+\sin (e+f x)}\right )^{\frac {1}{2}-m} (3+\sin (e+f x))^{-m}}{f} \] Output:

-2^(-1/2-m)*cos(f*x+e)*hypergeom([1/2, 1/2-m],[3/2],(1-sin(f*x+e))/(3+sin( 
f*x+e)))*(1+sin(f*x+e))^(-1+m)*((1+sin(f*x+e))/(3+sin(f*x+e)))^(1/2-m)/f/( 
(3+sin(f*x+e))^m)
 

Mathematica [C] (warning: unable to verify)

Result contains complex when optimal does not.

Time = 2.63 (sec) , antiderivative size = 245, normalized size of antiderivative = 2.31 \[ \int (1+\sin (e+f x))^m (3+\sin (e+f x))^{-1-m} \, dx=\frac {\cos ^2\left (\frac {1}{2} (e+f x)\right ) \operatorname {Hypergeometric2F1}\left (1+m,1+2 m,2 (1+m),\frac {2 \sqrt {2} \left (1+\tan \left (\frac {1}{2} (e+f x)\right )\right )}{-i+\sqrt {2}+\left (i+\sqrt {2}\right ) \tan \left (\frac {1}{2} (e+f x)\right )}\right ) \left (\frac {\left (\cos \left (\frac {1}{2} (e+f x)\right )+\sin \left (\frac {1}{2} (e+f x)\right )\right )^2}{3+\sin (e+f x)}\right )^m \left (-i+2 \sqrt {2}-3 i \tan \left (\frac {1}{2} (e+f x)\right )\right ) \left (1+\tan \left (\frac {1}{2} (e+f x)\right )\right ) \left (-\frac {i+\sqrt {2}+\left (-i+\sqrt {2}\right ) \tan \left (\frac {1}{2} (e+f x)\right )}{-i+\sqrt {2}+\left (i+\sqrt {2}\right ) \tan \left (\frac {1}{2} (e+f x)\right )}\right )^m}{\left (i+\sqrt {2}\right ) f (1+2 m) (3+\sin (e+f x))} \] Input:

Integrate[(1 + Sin[e + f*x])^m*(3 + Sin[e + f*x])^(-1 - m),x]
 

Output:

(Cos[(e + f*x)/2]^2*Hypergeometric2F1[1 + m, 1 + 2*m, 2*(1 + m), (2*Sqrt[2 
]*(1 + Tan[(e + f*x)/2]))/(-I + Sqrt[2] + (I + Sqrt[2])*Tan[(e + f*x)/2])] 
*((Cos[(e + f*x)/2] + Sin[(e + f*x)/2])^2/(3 + Sin[e + f*x]))^m*(-I + 2*Sq 
rt[2] - (3*I)*Tan[(e + f*x)/2])*(1 + Tan[(e + f*x)/2])*(-((I + Sqrt[2] + ( 
-I + Sqrt[2])*Tan[(e + f*x)/2])/(-I + Sqrt[2] + (I + Sqrt[2])*Tan[(e + f*x 
)/2])))^m)/((I + Sqrt[2])*f*(1 + 2*m)*(3 + Sin[e + f*x]))
 

Rubi [A] (verified)

Time = 0.29 (sec) , antiderivative size = 106, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.120, Rules used = {3042, 3267, 142}

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.

\(\displaystyle \int (\sin (e+f x)+1)^m (\sin (e+f x)+3)^{-m-1} \, dx\)

\(\Big \downarrow \) 3042

\(\displaystyle \int (\sin (e+f x)+1)^m (\sin (e+f x)+3)^{-m-1}dx\)

\(\Big \downarrow \) 3267

\(\displaystyle \frac {\cos (e+f x) \int \frac {(\sin (e+f x)+1)^{m-\frac {1}{2}} (\sin (e+f x)+3)^{-m-1}}{\sqrt {1-\sin (e+f x)}}d\sin (e+f x)}{f \sqrt {1-\sin (e+f x)} \sqrt {\sin (e+f x)+1}}\)

\(\Big \downarrow \) 142

\(\displaystyle -\frac {2^{-m-\frac {1}{2}} \cos (e+f x) (\sin (e+f x)+1)^{m-1} \left (\frac {\sin (e+f x)+1}{\sin (e+f x)+3}\right )^{\frac {1}{2}-m} (\sin (e+f x)+3)^{-m} \operatorname {Hypergeometric2F1}\left (\frac {1}{2},\frac {1}{2}-m,\frac {3}{2},\frac {1-\sin (e+f x)}{\sin (e+f x)+3}\right )}{f}\)

Input:

Int[(1 + Sin[e + f*x])^m*(3 + Sin[e + f*x])^(-1 - m),x]
 

Output:

-((2^(-1/2 - m)*Cos[e + f*x]*Hypergeometric2F1[1/2, 1/2 - m, 3/2, (1 - Sin 
[e + f*x])/(3 + Sin[e + f*x])]*(1 + Sin[e + f*x])^(-1 + m)*((1 + Sin[e + f 
*x])/(3 + Sin[e + f*x]))^(1/2 - m))/(f*(3 + Sin[e + f*x])^m))
 

Defintions of rubi rules used

rule 142

Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_)*((e_.) + (f_.)*(x_) 
)^(p_), x_] :> Simp[((a + b*x)^(m + 1)*(c + d*x)^n*((e + f*x)^(p + 1)/((b*e 
 - a*f)*(m + 1)))*Hypergeometric2F1[m + 1, -n, m + 2, (-(d*e - c*f))*((a + 
b*x)/((b*c - a*d)*(e + f*x)))])/((b*e - a*f)*((c + d*x)/((b*c - a*d)*(e + f 
*x))))^n, x] /; FreeQ[{a, b, c, d, e, f, m, n, p}, x] && EqQ[m + n + p + 2, 
 0] &&  !IntegerQ[n]
 

rule 3042

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

rule 3267

Int[((a_) + (b_.)*sin[(e_.) + (f_.)*(x_)])^(m_)*((c_) + (d_.)*sin[(e_.) + ( 
f_.)*(x_)])^(n_.), x_Symbol] :> Simp[a^2*(Cos[e + f*x]/(f*Sqrt[a + b*Sin[e 
+ f*x]]*Sqrt[a - b*Sin[e + f*x]]))   Subst[Int[(a + b*x)^(m - 1/2)*((c + d* 
x)^n/Sqrt[a - b*x]), x], x, Sin[e + f*x]], x] /; FreeQ[{a, b, c, d, e, f, m 
, n}, x] && NeQ[b*c - a*d, 0] && EqQ[a^2 - b^2, 0] && NeQ[c^2 - d^2, 0] && 
 !IntegerQ[m]
 

Maple [F]

\[\int \left (1+\sin \left (f x +e \right )\right )^{m} \left (3+\sin \left (f x +e \right )\right )^{-1-m}d x\]

Input:

int((1+sin(f*x+e))^m*(3+sin(f*x+e))^(-1-m),x)
 

Output:

int((1+sin(f*x+e))^m*(3+sin(f*x+e))^(-1-m),x)
 

Fricas [F]

\[ \int (1+\sin (e+f x))^m (3+\sin (e+f x))^{-1-m} \, dx=\int { {\left (\sin \left (f x + e\right ) + 3\right )}^{-m - 1} {\left (\sin \left (f x + e\right ) + 1\right )}^{m} \,d x } \] Input:

integrate((1+sin(f*x+e))^m*(3+sin(f*x+e))^(-1-m),x, algorithm="fricas")
 

Output:

integral((sin(f*x + e) + 3)^(-m - 1)*(sin(f*x + e) + 1)^m, x)
 

Sympy [F]

\[ \int (1+\sin (e+f x))^m (3+\sin (e+f x))^{-1-m} \, dx=\int \left (\sin {\left (e + f x \right )} + 1\right )^{m} \left (\sin {\left (e + f x \right )} + 3\right )^{- m - 1}\, dx \] Input:

integrate((1+sin(f*x+e))**m*(3+sin(f*x+e))**(-1-m),x)
 

Output:

Integral((sin(e + f*x) + 1)**m*(sin(e + f*x) + 3)**(-m - 1), x)
 

Maxima [F]

\[ \int (1+\sin (e+f x))^m (3+\sin (e+f x))^{-1-m} \, dx=\int { {\left (\sin \left (f x + e\right ) + 3\right )}^{-m - 1} {\left (\sin \left (f x + e\right ) + 1\right )}^{m} \,d x } \] Input:

integrate((1+sin(f*x+e))^m*(3+sin(f*x+e))^(-1-m),x, algorithm="maxima")
 

Output:

integrate((sin(f*x + e) + 3)^(-m - 1)*(sin(f*x + e) + 1)^m, x)
 

Giac [F]

\[ \int (1+\sin (e+f x))^m (3+\sin (e+f x))^{-1-m} \, dx=\int { {\left (\sin \left (f x + e\right ) + 3\right )}^{-m - 1} {\left (\sin \left (f x + e\right ) + 1\right )}^{m} \,d x } \] Input:

integrate((1+sin(f*x+e))^m*(3+sin(f*x+e))^(-1-m),x, algorithm="giac")
 

Output:

integrate((sin(f*x + e) + 3)^(-m - 1)*(sin(f*x + e) + 1)^m, x)
 

Mupad [F(-1)]

Timed out. \[ \int (1+\sin (e+f x))^m (3+\sin (e+f x))^{-1-m} \, dx=\int \frac {{\left (\sin \left (e+f\,x\right )+1\right )}^m}{{\left (\sin \left (e+f\,x\right )+3\right )}^{m+1}} \,d x \] Input:

int((sin(e + f*x) + 1)^m/(sin(e + f*x) + 3)^(m + 1),x)
 

Output:

int((sin(e + f*x) + 1)^m/(sin(e + f*x) + 3)^(m + 1), x)
 

Reduce [F]

\[ \int (1+\sin (e+f x))^m (3+\sin (e+f x))^{-1-m} \, dx=\int \frac {\left (\sin \left (f x +e \right )+1\right )^{m}}{\left (\sin \left (f x +e \right )+3\right )^{m} \sin \left (f x +e \right )+3 \left (\sin \left (f x +e \right )+3\right )^{m}}d x \] Input:

int((1+sin(f*x+e))^m*(3+sin(f*x+e))^(-1-m),x)
 

Output:

int((sin(e + f*x) + 1)**m/((sin(e + f*x) + 3)**m*sin(e + f*x) + 3*(sin(e + 
 f*x) + 3)**m),x)