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

Optimal. Leaf size=106 \[ -\frac{2^{-m-\frac{1}{2}} \cos (e+f x) (\sin (e+f x)+1)^{m-1} \left (\frac{\sin (e+f x)+1}{\sin (e+f x)+3}\right )^{\frac{1}{2}-m} (\sin (e+f x)+3)^{-m} \, _2F_1\left (\frac{1}{2},\frac{1}{2}-m;\frac{3}{2};\frac{1-\sin (e+f x)}{\sin (e+f x)+3}\right )}{f} \]

[Out]

-((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))

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Rubi [A]  time = 0.101139, antiderivative size = 106, normalized size of antiderivative = 1., number of steps used = 2, number of rules used = 2, integrand size = 25, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.08, Rules used = {2788, 132} \[ -\frac{2^{-m-\frac{1}{2}} \cos (e+f x) (\sin (e+f x)+1)^{m-1} \left (\frac{\sin (e+f x)+1}{\sin (e+f x)+3}\right )^{\frac{1}{2}-m} (\sin (e+f x)+3)^{-m} \, _2F_1\left (\frac{1}{2},\frac{1}{2}-m;\frac{3}{2};\frac{1-\sin (e+f x)}{\sin (e+f x)+3}\right )}{f} \]

Antiderivative was successfully verified.

[In]

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

[Out]

-((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))

Rule 2788

Int[((a_) + (b_.)*sin[(e_.) + (f_.)*(x_)])^(m_)*((c_) + (d_.)*sin[(e_.) + (f_.)*(x_)])^(n_.), x_Symbol] :> Dis
t[(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]

Rule 132

Int[((a_.) + (b_.)*(x_))^(m_)*((c_.) + (d_.)*(x_))^(n_)*((e_.) + (f_.)*(x_))^(p_), x_Symbol] :> Simp[((a + b*x
)^(m + 1)*(c + d*x)^n*(e + f*x)^(p + 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)*(m + 1))*(((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]

Rubi steps

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

Mathematica [A]  time = 0.58035, size = 167, normalized size = 1.58 \[ \frac{2^{-2 m-1} \tan \left (\frac{1}{4} (2 e+2 f x-\pi )\right ) (\sin (e+f x)+1)^m \cos ^2\left (\frac{1}{4} (2 e+2 f x-\pi )\right )^{-m} \left (\frac{\cos ^2\left (\frac{1}{4} (2 e+2 f x-\pi )\right )}{\sin (e+f x)+3}\right )^m \left ((\sin (e+f x)+3) \sec ^2\left (\frac{1}{4} (2 e+2 f x-\pi )\right )\right )^m \, _2F_1\left (\frac{1}{2},m+1;\frac{3}{2};-\frac{1}{2} \cos ^2\left (\frac{1}{4} (2 e+2 f x+\pi )\right ) \sec ^2\left (\frac{1}{4} (2 e+2 f x-\pi )\right )\right )}{f} \]

Warning: Unable to verify antiderivative.

[In]

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

[Out]

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

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Maple [F]  time = 0.247, size = 0, normalized size = 0. \begin{align*} \int \left ( 1+\sin \left ( fx+e \right ) \right ) ^{m} \left ( 3+\sin \left ( fx+e \right ) \right ) ^{-1-m}\, dx \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

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Maxima [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int{\left (\sin \left (f x + e\right ) + 3\right )}^{-m - 1}{\left (\sin \left (f x + e\right ) + 1\right )}^{m}\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

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Fricas [F]  time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left ({\left (\sin \left (f x + e\right ) + 3\right )}^{-m - 1}{\left (\sin \left (f x + e\right ) + 1\right )}^{m}, x\right ) \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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

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Sympy [F(-1)]  time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

Timed out

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Giac [F]  time = 0., size = 0, normalized size = 0. \begin{align*} \int{\left (\sin \left (f x + e\right ) + 3\right )}^{-m - 1}{\left (\sin \left (f x + e\right ) + 1\right )}^{m}\,{d x} \end{align*}

Verification of antiderivative is not currently implemented for this CAS.

[In]

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

[Out]

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