\(\int \frac {\sin ^m(e+f x)}{\sqrt {a+a \sin (e+f x)}} \, dx\) [122]

Optimal result

Integrand size = 23, antiderivative size = 60 \[ \int \frac {\sin ^m(e+f x)}{\sqrt {a+a \sin (e+f x)}} \, dx=-\frac {\operatorname {AppellF1}\left (\frac {1}{2},-m,1,\frac {3}{2},1-\sin (e+f x),\frac {1}{2} (1-\sin (e+f x))\right ) \cos (e+f x)}{f \sqrt {a+a \sin (e+f x)}} \] Output:

-AppellF1(1/2,-m,1,3/2,1-sin(f*x+e),1/2-1/2*sin(f*x+e))*cos(f*x+e)/f/(a+a* 
sin(f*x+e))^(1/2)
 

Mathematica [B] (warning: unable to verify)

Leaf count is larger than twice the leaf count of optimal. \(234\) vs. \(2(60)=120\).

Time = 2.74 (sec) , antiderivative size = 234, normalized size of antiderivative = 3.90 \[ \int \frac {\sin ^m(e+f x)}{\sqrt {a+a \sin (e+f x)}} \, dx=\frac {\cos (e+f x) \sin ^{2 m}(e+f x) \left (-\sin ^2(e+f x)\right )^{-m} \sqrt {a (1+\sin (e+f x))} \left (1-\frac {1}{1+\sin (e+f x)}\right )^{-m} \left (4 \operatorname {AppellF1}\left (-\frac {1}{2}-m,-\frac {1}{2},-m,\frac {1}{2}-m,\frac {2}{1+\sin (e+f x)},\frac {1}{1+\sin (e+f x)}\right ) (-\sin (e+f x))^m \sqrt {\frac {-1+\sin (e+f x)}{1+\sin (e+f x)}}-(1+2 m) \operatorname {AppellF1}\left (1,\frac {1}{2},-m,2,\frac {1}{2} (1+\sin (e+f x)),1+\sin (e+f x)\right ) \sqrt {2-2 \sin (e+f x)} \left (1-\frac {1}{1+\sin (e+f x)}\right )^m\right )}{4 a f (1+2 m) (-1+\sin (e+f x))} \] Input:

Integrate[Sin[e + f*x]^m/Sqrt[a + a*Sin[e + f*x]],x]
 

Output:

(Cos[e + f*x]*Sin[e + f*x]^(2*m)*Sqrt[a*(1 + Sin[e + f*x])]*(4*AppellF1[-1 
/2 - m, -1/2, -m, 1/2 - m, 2/(1 + Sin[e + f*x]), (1 + Sin[e + f*x])^(-1)]* 
(-Sin[e + f*x])^m*Sqrt[(-1 + Sin[e + f*x])/(1 + Sin[e + f*x])] - (1 + 2*m) 
*AppellF1[1, 1/2, -m, 2, (1 + Sin[e + f*x])/2, 1 + Sin[e + f*x]]*Sqrt[2 - 
2*Sin[e + f*x]]*(1 - (1 + Sin[e + f*x])^(-1))^m))/(4*a*f*(1 + 2*m)*(-1 + S 
in[e + f*x])*(-Sin[e + f*x]^2)^m*(1 - (1 + Sin[e + f*x])^(-1))^m)
 

Rubi [A] (verified)

Time = 0.37 (sec) , antiderivative size = 60, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.261, Rules used = {3042, 3266, 3042, 3264, 148, 333}

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.

\(\displaystyle \int \frac {\sin ^m(e+f x)}{\sqrt {a \sin (e+f x)+a}} \, dx\)

\(\Big \downarrow \) 3042

\(\displaystyle \int \frac {\sin (e+f x)^m}{\sqrt {a \sin (e+f x)+a}}dx\)

\(\Big \downarrow \) 3266

\(\displaystyle \frac {\sqrt {\sin (e+f x)+1} \int \frac {\sin ^m(e+f x)}{\sqrt {\sin (e+f x)+1}}dx}{\sqrt {a \sin (e+f x)+a}}\)

\(\Big \downarrow \) 3042

\(\displaystyle \frac {\sqrt {\sin (e+f x)+1} \int \frac {\sin (e+f x)^m}{\sqrt {\sin (e+f x)+1}}dx}{\sqrt {a \sin (e+f x)+a}}\)

\(\Big \downarrow \) 3264

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

\(\Big \downarrow \) 148

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

\(\Big \downarrow \) 333

\(\displaystyle -\frac {\cos (e+f x) \operatorname {AppellF1}\left (\frac {1}{2},-m,1,\frac {3}{2},1-\sin (e+f x),\frac {1}{2} (1-\sin (e+f x))\right )}{f \sqrt {a \sin (e+f x)+a}}\)

Input:

Int[Sin[e + f*x]^m/Sqrt[a + a*Sin[e + f*x]],x]
 

Output:

-((AppellF1[1/2, -m, 1, 3/2, 1 - Sin[e + f*x], (1 - Sin[e + f*x])/2]*Cos[e 
 + f*x])/(f*Sqrt[a + a*Sin[e + f*x]]))
 

Defintions of rubi rules used

rule 148

Int[((b_.)*(x_))^(m_)*((c_) + (d_.)*(x_))^(n_.)*((e_) + (f_.)*(x_))^(p_.), 
x_] :> With[{k = Denominator[m]}, Simp[k/b   Subst[Int[x^(k*(m + 1) - 1)*(c 
 + d*(x^k/b))^n*(e + f*(x^k/b))^p, x], x, (b*x)^(1/k)], x]] /; FreeQ[{b, c, 
 d, e, f, n, p}, x] && FractionQ[m] && IntegerQ[p]
 

rule 333

Int[((a_) + (b_.)*(x_)^2)^(p_)*((c_) + (d_.)*(x_)^2)^(q_), x_Symbol] :> Sim 
p[a^p*c^q*x*AppellF1[1/2, -p, -q, 3/2, (-b)*(x^2/a), (-d)*(x^2/c)], x] /; F 
reeQ[{a, b, c, d, p, q}, x] && NeQ[b*c - a*d, 0] && (IntegerQ[p] || GtQ[a, 
0]) && (IntegerQ[q] || GtQ[c, 0])
 

rule 3042

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

rule 3264

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

rule 3266

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

Maple [F]

\[\int \frac {\sin \left (f x +e \right )^{m}}{\sqrt {a +\sin \left (f x +e \right ) a}}d x\]

Input:

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

Output:

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

Fricas [F]

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

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

Output:

integral(sin(f*x + e)^m/sqrt(a*sin(f*x + e) + a), x)
 

Sympy [F]

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

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

Output:

Integral(sin(e + f*x)**m/sqrt(a*(sin(e + f*x) + 1)), x)
 

Maxima [F]

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

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

Output:

integrate(sin(f*x + e)^m/sqrt(a*sin(f*x + e) + a), x)
 

Giac [F]

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

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

Output:

integrate(sin(f*x + e)^m/sqrt(a*sin(f*x + e) + a), x)
 

Mupad [F(-1)]

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

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

Output:

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

Reduce [F]

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

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

Output:

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