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

Optimal. Leaf size=65 \[ -\frac {2^{m+\frac {1}{2}} 3^{-m-1} \cos (e+f x) \, _2F_1\left (\frac {1}{2},\frac {1}{2}-m;\frac {3}{2};\frac {1}{2} (1-\sin (e+f x))\right )}{f \sqrt {\sin (e+f x)+1}} \]

[Out]

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

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Rubi [A]  time = 0.02, antiderivative size = 65, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 2, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.111, Rules used = {12, 2651} \[ -\frac {2^{m+\frac {1}{2}} 3^{-m-1} \cos (e+f x) \, _2F_1\left (\frac {1}{2},\frac {1}{2}-m;\frac {3}{2};\frac {1}{2} (1-\sin (e+f x))\right )}{f \sqrt {\sin (e+f x)+1}} \]

Antiderivative was successfully verified.

[In]

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

[Out]

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

Rule 12

Int[(a_)*(u_), x_Symbol] :> Dist[a, Int[u, x], x] /; FreeQ[a, x] &&  !MatchQ[u, (b_)*(v_) /; FreeQ[b, x]]

Rule 2651

Int[((a_) + (b_.)*sin[(c_.) + (d_.)*(x_)])^(n_), x_Symbol] :> -Simp[(2^(n + 1/2)*a^(n - 1/2)*b*Cos[c + d*x]*Hy
pergeometric2F1[1/2, 1/2 - n, 3/2, (1*(1 - (b*Sin[c + d*x])/a))/2])/(d*Sqrt[a + b*Sin[c + d*x]]), x] /; FreeQ[
{a, b, c, d, n}, x] && EqQ[a^2 - b^2, 0] &&  !IntegerQ[2*n] && GtQ[a, 0]

Rubi steps

\begin {align*} \int 3^{-1-m} (1+\sin (e+f x))^m \, dx &=3^{-1-m} \int (1+\sin (e+f x))^m \, dx\\ &=-\frac {2^{\frac {1}{2}+m} 3^{-1-m} \cos (e+f x) \, _2F_1\left (\frac {1}{2},\frac {1}{2}-m;\frac {3}{2};\frac {1}{2} (1-\sin (e+f x))\right )}{f \sqrt {1+\sin (e+f x)}}\\ \end {align*}

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Mathematica [A]  time = 0.13, size = 95, normalized size = 1.46 \[ \frac {\sqrt {2} 3^{-m-1} \cos (e+f x) (\sin (e+f x)+1)^m \, _2F_1\left (\frac {1}{2},m+\frac {1}{2};m+\frac {3}{2};\frac {1}{4} \cos ^2(e+f x) \csc ^2\left (\frac {1}{4} (2 e+2 f x-\pi )\right )\right )}{(2 f m+f) \sqrt {1-\sin (e+f x)}} \]

Antiderivative was successfully verified.

[In]

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

[Out]

(Sqrt[2]*3^(-1 - m)*Cos[e + f*x]*Hypergeometric2F1[1/2, 1/2 + m, 3/2 + m, (Cos[e + f*x]^2*Csc[(2*e - Pi + 2*f*
x)/4]^2)/4]*(1 + Sin[e + f*x])^m)/((f + 2*f*m)*Sqrt[1 - Sin[e + f*x]])

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fricas [F]  time = 0.44, size = 0, normalized size = 0.00 \[ {\rm integral}\left (3^{-m - 1} {\left (\sin \left (f x + e\right ) + 1\right )}^{m}, x\right ) \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

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giac [F]  time = 0.00, size = 0, normalized size = 0.00 \[ \int 3^{-m - 1} {\left (\sin \left (f x + e\right ) + 1\right )}^{m}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

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maple [F]  time = 0.53, size = 0, normalized size = 0.00 \[ \int 3^{-1-m} \left (1+\sin \left (f x +e \right )\right )^{m}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

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maxima [F]  time = 0.00, size = 0, normalized size = 0.00 \[ 3^{-m - 1} \int {\left (\sin \left (f x + e\right ) + 1\right )}^{m}\,{d x} \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

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mupad [F]  time = 0.00, size = -1, normalized size = -0.02 \[ \int \frac {1}{3^{m+1}}\,{\left (\sin \left (e+f\,x\right )+1\right )}^m \,d x \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

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sympy [F]  time = 0.00, size = 0, normalized size = 0.00 \[ 3^{- m - 1} \int \left (\sin {\left (e + f x \right )} + 1\right )^{m}\, dx \]

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

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