Optimal. Leaf size=109 \[ \frac{8 \sin ^{n+1}(c+d x) \, _2F_1(1,n+1;n+2;-\sin (c+d x))}{a^4 d (n+1)}-\frac{7 \sin ^{n+1}(c+d x)}{a^4 d (n+1)}+\frac{4 \sin ^{n+2}(c+d x)}{a^4 d (n+2)}-\frac{\sin ^{n+3}(c+d x)}{a^4 d (n+3)} \]
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Rubi [A] time = 0.174651, antiderivative size = 109, normalized size of antiderivative = 1., number of steps used = 8, number of rules used = 4, integrand size = 29, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.138, Rules used = {2836, 88, 43, 64} \[ \frac{8 \sin ^{n+1}(c+d x) \, _2F_1(1,n+1;n+2;-\sin (c+d x))}{a^4 d (n+1)}-\frac{7 \sin ^{n+1}(c+d x)}{a^4 d (n+1)}+\frac{4 \sin ^{n+2}(c+d x)}{a^4 d (n+2)}-\frac{\sin ^{n+3}(c+d x)}{a^4 d (n+3)} \]
Antiderivative was successfully verified.
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Rule 2836
Rule 88
Rule 43
Rule 64
Rubi steps
\begin{align*} \int \frac{\cos ^7(c+d x) \sin ^n(c+d x)}{(a+a \sin (c+d x))^4} \, dx &=\frac{\operatorname{Subst}\left (\int \frac{(a-x)^3 \left (\frac{x}{a}\right )^n}{a+x} \, dx,x,a \sin (c+d x)\right )}{a^7 d}\\ &=\frac{\operatorname{Subst}\left (\int \left (-4 a^2 \left (\frac{x}{a}\right )^n-2 a (a-x) \left (\frac{x}{a}\right )^n-(a-x)^2 \left (\frac{x}{a}\right )^n+\frac{8 a^3 \left (\frac{x}{a}\right )^n}{a+x}\right ) \, dx,x,a \sin (c+d x)\right )}{a^7 d}\\ &=-\frac{4 \sin ^{1+n}(c+d x)}{a^4 d (1+n)}-\frac{\operatorname{Subst}\left (\int (a-x)^2 \left (\frac{x}{a}\right )^n \, dx,x,a \sin (c+d x)\right )}{a^7 d}-\frac{2 \operatorname{Subst}\left (\int (a-x) \left (\frac{x}{a}\right )^n \, dx,x,a \sin (c+d x)\right )}{a^6 d}+\frac{8 \operatorname{Subst}\left (\int \frac{\left (\frac{x}{a}\right )^n}{a+x} \, dx,x,a \sin (c+d x)\right )}{a^4 d}\\ &=-\frac{4 \sin ^{1+n}(c+d x)}{a^4 d (1+n)}+\frac{8 \, _2F_1(1,1+n;2+n;-\sin (c+d x)) \sin ^{1+n}(c+d x)}{a^4 d (1+n)}-\frac{\operatorname{Subst}\left (\int \left (a^2 \left (\frac{x}{a}\right )^n-2 a^2 \left (\frac{x}{a}\right )^{1+n}+a^2 \left (\frac{x}{a}\right )^{2+n}\right ) \, dx,x,a \sin (c+d x)\right )}{a^7 d}-\frac{2 \operatorname{Subst}\left (\int \left (a \left (\frac{x}{a}\right )^n-a \left (\frac{x}{a}\right )^{1+n}\right ) \, dx,x,a \sin (c+d x)\right )}{a^6 d}\\ &=-\frac{7 \sin ^{1+n}(c+d x)}{a^4 d (1+n)}+\frac{8 \, _2F_1(1,1+n;2+n;-\sin (c+d x)) \sin ^{1+n}(c+d x)}{a^4 d (1+n)}+\frac{4 \sin ^{2+n}(c+d x)}{a^4 d (2+n)}-\frac{\sin ^{3+n}(c+d x)}{a^4 d (3+n)}\\ \end{align*}
Mathematica [A] time = 0.254182, size = 104, normalized size = 0.95 \[ \frac{\frac{8 a^3 \sin ^{n+1}(c+d x) \, _2F_1(1,n+1;n+2;-\sin (c+d x))}{n+1}-\frac{7 a^3 \sin ^{n+1}(c+d x)}{n+1}+\frac{4 a^3 \sin ^{n+2}(c+d x)}{n+2}-\frac{a^3 \sin ^{n+3}(c+d x)}{n+3}}{a^7 d} \]
Antiderivative was successfully verified.
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Maple [F] time = 1.497, size = 0, normalized size = 0. \begin{align*} \int{\frac{ \left ( \cos \left ( dx+c \right ) \right ) ^{7} \left ( \sin \left ( dx+c \right ) \right ) ^{n}}{ \left ( a+a\sin \left ( dx+c \right ) \right ) ^{4}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\sin \left (d x + c\right )^{n} \cos \left (d x + c\right )^{7}}{{\left (a \sin \left (d x + c\right ) + a\right )}^{4}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F] time = 0., size = 0, normalized size = 0. \begin{align*}{\rm integral}\left (\frac{\sin \left (d x + c\right )^{n} \cos \left (d x + c\right )^{7}}{a^{4} \cos \left (d x + c\right )^{4} - 8 \, a^{4} \cos \left (d x + c\right )^{2} + 8 \, a^{4} - 4 \,{\left (a^{4} \cos \left (d x + c\right )^{2} - 2 \, a^{4}\right )} \sin \left (d x + c\right )}, x\right ) \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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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.
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Giac [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\sin \left (d x + c\right )^{n} \cos \left (d x + c\right )^{7}}{{\left (a \sin \left (d x + c\right ) + a\right )}^{4}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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