Integrand size = 21, antiderivative size = 435 \[ \int \sin ^4(c+d x) (a+b \tan (c+d x))^n \, dx=-\frac {\left (a b^2 n \left (5 a^2+b^2 (3+2 n)\right )+\sqrt {-b^2} \left (3 a^4+a^2 b^2 \left (6+6 n-n^2\right )+b^4 \left (3+4 n+n^2\right )\right )\right ) \operatorname {Hypergeometric2F1}\left (1,1+n,2+n,\frac {a+b \tan (c+d x)}{a-\sqrt {-b^2}}\right ) (a+b \tan (c+d x))^{1+n}}{16 b \left (a^2+b^2\right )^2 \left (a-\sqrt {-b^2}\right ) d (1+n)}-\frac {\left (a b^2 n \left (5 a^2+b^2 (3+2 n)\right )-\sqrt {-b^2} \left (3 a^4+a^2 b^2 \left (6+6 n-n^2\right )+b^4 \left (3+4 n+n^2\right )\right )\right ) \operatorname {Hypergeometric2F1}\left (1,1+n,2+n,\frac {a+b \tan (c+d x)}{a+\sqrt {-b^2}}\right ) (a+b \tan (c+d x))^{1+n}}{16 b \left (a^2+b^2\right )^2 \left (a+\sqrt {-b^2}\right ) d (1+n)}+\frac {\cos ^4(c+d x) (b+a \tan (c+d x)) (a+b \tan (c+d x))^{1+n}}{4 \left (a^2+b^2\right ) d}-\frac {\cos ^2(c+d x) (a+b \tan (c+d x))^{1+n} \left (b \left (a^2 (7-n)+b^2 (5+n)\right )+a \left (5 a^2+b^2 (3+2 n)\right ) \tan (c+d x)\right )}{8 \left (a^2+b^2\right )^2 d} \]
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Time = 1.28 (sec) , antiderivative size = 435, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 4, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.190, Rules used = {3597, 1663, 845, 70} \[ \int \sin ^4(c+d x) (a+b \tan (c+d x))^n \, dx=\frac {\cos ^4(c+d x) (a \tan (c+d x)+b) (a+b \tan (c+d x))^{n+1}}{4 d \left (a^2+b^2\right )}-\frac {\cos ^2(c+d x) \left (a \left (5 a^2+b^2 (2 n+3)\right ) \tan (c+d x)+b \left (a^2 (7-n)+b^2 (n+5)\right )\right ) (a+b \tan (c+d x))^{n+1}}{8 d \left (a^2+b^2\right )^2}-\frac {\left (a b^2 n \left (5 a^2+b^2 (2 n+3)\right )+\sqrt {-b^2} \left (3 a^4+a^2 b^2 \left (-n^2+6 n+6\right )+b^4 \left (n^2+4 n+3\right )\right )\right ) (a+b \tan (c+d x))^{n+1} \operatorname {Hypergeometric2F1}\left (1,n+1,n+2,\frac {a+b \tan (c+d x)}{a-\sqrt {-b^2}}\right )}{16 b d (n+1) \left (a^2+b^2\right )^2 \left (a-\sqrt {-b^2}\right )}-\frac {\left (a b^2 n \left (5 a^2+b^2 (2 n+3)\right )-\sqrt {-b^2} \left (3 a^4+a^2 b^2 \left (-n^2+6 n+6\right )+b^4 \left (n^2+4 n+3\right )\right )\right ) (a+b \tan (c+d x))^{n+1} \operatorname {Hypergeometric2F1}\left (1,n+1,n+2,\frac {a+b \tan (c+d x)}{a+\sqrt {-b^2}}\right )}{16 b d (n+1) \left (a^2+b^2\right )^2 \left (a+\sqrt {-b^2}\right )} \]
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Rule 70
Rule 845
Rule 1663
Rule 3597
Rubi steps \begin{align*} \text {integral}& = \frac {b \text {Subst}\left (\int \frac {x^4 (a+x)^n}{\left (b^2+x^2\right )^3} \, dx,x,b \tan (c+d x)\right )}{d} \\ & = \frac {\cos ^4(c+d x) (b+a \tan (c+d x)) (a+b \tan (c+d x))^{1+n}}{4 \left (a^2+b^2\right ) d}-\frac {\text {Subst}\left (\int \frac {(a+x)^n \left (b^4 \left (a^2+b^2 (1+n)\right )-a b^4 (2-n) x-4 b^2 \left (a^2+b^2\right ) x^2\right )}{\left (b^2+x^2\right )^2} \, dx,x,b \tan (c+d x)\right )}{4 b \left (a^2+b^2\right ) d} \\ & = \frac {\cos ^4(c+d x) (b+a \tan (c+d x)) (a+b \tan (c+d x))^{1+n}}{4 \left (a^2+b^2\right ) d}-\frac {\cos ^2(c+d x) (a+b \tan (c+d x))^{1+n} \left (b \left (a^2 (7-n)+b^2 (5+n)\right )+a \left (5 a^2+b^2 (3+2 n)\right ) \tan (c+d x)\right )}{8 \left (a^2+b^2\right )^2 d}+\frac {\text {Subst}\left (\int \frac {(a+x)^n \left (b^4 \left (3 a^4+a^2 b^2 \left (6+6 n-n^2\right )+b^4 \left (3+4 n+n^2\right )\right )+a b^4 n \left (5 a^2+b^2 (3+2 n)\right ) x\right )}{b^2+x^2} \, dx,x,b \tan (c+d x)\right )}{8 b^3 \left (a^2+b^2\right )^2 d} \\ & = \frac {\cos ^4(c+d x) (b+a \tan (c+d x)) (a+b \tan (c+d x))^{1+n}}{4 \left (a^2+b^2\right ) d}-\frac {\cos ^2(c+d x) (a+b \tan (c+d x))^{1+n} \left (b \left (a^2 (7-n)+b^2 (5+n)\right )+a \left (5 a^2+b^2 (3+2 n)\right ) \tan (c+d x)\right )}{8 \left (a^2+b^2\right )^2 d}+\frac {\text {Subst}\left (\int \left (\frac {\left (-a b^6 n \left (5 a^2+b^2 (3+2 n)\right )+b^4 \sqrt {-b^2} \left (3 a^4+a^2 b^2 \left (6+6 n-n^2\right )+b^4 \left (3+4 n+n^2\right )\right )\right ) (a+x)^n}{2 b^2 \left (\sqrt {-b^2}-x\right )}+\frac {\left (a b^6 n \left (5 a^2+b^2 (3+2 n)\right )+b^4 \sqrt {-b^2} \left (3 a^4+a^2 b^2 \left (6+6 n-n^2\right )+b^4 \left (3+4 n+n^2\right )\right )\right ) (a+x)^n}{2 b^2 \left (\sqrt {-b^2}+x\right )}\right ) \, dx,x,b \tan (c+d x)\right )}{8 b^3 \left (a^2+b^2\right )^2 d} \\ & = \frac {\cos ^4(c+d x) (b+a \tan (c+d x)) (a+b \tan (c+d x))^{1+n}}{4 \left (a^2+b^2\right ) d}-\frac {\cos ^2(c+d x) (a+b \tan (c+d x))^{1+n} \left (b \left (a^2 (7-n)+b^2 (5+n)\right )+a \left (5 a^2+b^2 (3+2 n)\right ) \tan (c+d x)\right )}{8 \left (a^2+b^2\right )^2 d}-\frac {\left (a b^2 n \left (5 a^2+b^2 (3+2 n)\right )-\sqrt {-b^2} \left (3 a^4+a^2 b^2 \left (6+6 n-n^2\right )+b^4 \left (3+4 n+n^2\right )\right )\right ) \text {Subst}\left (\int \frac {(a+x)^n}{\sqrt {-b^2}-x} \, dx,x,b \tan (c+d x)\right )}{16 b \left (a^2+b^2\right )^2 d}+\frac {\left (a b^2 n \left (5 a^2+b^2 (3+2 n)\right )+\sqrt {-b^2} \left (3 a^4+a^2 b^2 \left (6+6 n-n^2\right )+b^4 \left (3+4 n+n^2\right )\right )\right ) \text {Subst}\left (\int \frac {(a+x)^n}{\sqrt {-b^2}+x} \, dx,x,b \tan (c+d x)\right )}{16 b \left (a^2+b^2\right )^2 d} \\ & = -\frac {\left (a b^2 n \left (5 a^2+b^2 (3+2 n)\right )+\sqrt {-b^2} \left (3 a^4+a^2 b^2 \left (6+6 n-n^2\right )+b^4 \left (3+4 n+n^2\right )\right )\right ) \operatorname {Hypergeometric2F1}\left (1,1+n,2+n,\frac {a+b \tan (c+d x)}{a-\sqrt {-b^2}}\right ) (a+b \tan (c+d x))^{1+n}}{16 b \left (a^2+b^2\right )^2 \left (a-\sqrt {-b^2}\right ) d (1+n)}-\frac {\left (a b^2 n \left (5 a^2+b^2 (3+2 n)\right )-\sqrt {-b^2} \left (3 a^4+a^2 b^2 \left (6+6 n-n^2\right )+b^4 \left (3+4 n+n^2\right )\right )\right ) \operatorname {Hypergeometric2F1}\left (1,1+n,2+n,\frac {a+b \tan (c+d x)}{a+\sqrt {-b^2}}\right ) (a+b \tan (c+d x))^{1+n}}{16 b \left (a^2+b^2\right )^2 \left (a+\sqrt {-b^2}\right ) d (1+n)}+\frac {\cos ^4(c+d x) (b+a \tan (c+d x)) (a+b \tan (c+d x))^{1+n}}{4 \left (a^2+b^2\right ) d}-\frac {\cos ^2(c+d x) (a+b \tan (c+d x))^{1+n} \left (b \left (a^2 (7-n)+b^2 (5+n)\right )+a \left (5 a^2+b^2 (3+2 n)\right ) \tan (c+d x)\right )}{8 \left (a^2+b^2\right )^2 d} \\ \end{align*}
Leaf count is larger than twice the leaf count of optimal. \(910\) vs. \(2(435)=870\).
Time = 6.81 (sec) , antiderivative size = 910, normalized size of antiderivative = 2.09 \[ \int \sin ^4(c+d x) (a+b \tan (c+d x))^n \, dx=\frac {b \left (\frac {\operatorname {Hypergeometric2F1}\left (1,1+n,2+n,\frac {a+b \tan (c+d x)}{a-\sqrt {-b^2}}\right ) (a+b \tan (c+d x))^{1+n}}{2 \sqrt {-b^2} \left (a-\sqrt {-b^2}\right ) (1+n)}-\frac {\operatorname {Hypergeometric2F1}\left (1,1+n,2+n,\frac {a+b \tan (c+d x)}{a+\sqrt {-b^2}}\right ) (a+b \tan (c+d x))^{1+n}}{2 \sqrt {-b^2} \left (a+\sqrt {-b^2}\right ) (1+n)}-\frac {\cos ^2(c+d x) (a+b \tan (c+d x))^{1+n} \left (b^2+a b \tan (c+d x)\right )}{b^2 \left (a^2+b^2\right )}+\frac {\cos ^4(c+d x) (a+b \tan (c+d x))^{1+n} \left (b^2+a b \tan (c+d x)\right )}{4 b^2 \left (a^2+b^2\right )}+\frac {\frac {\left (\sqrt {-b^2} \left (a^2+b^2 (1-n)\right )-a b^2 n\right ) \operatorname {Hypergeometric2F1}\left (1,1+n,2+n,\frac {a+b \tan (c+d x)}{a-\sqrt {-b^2}}\right ) (a+b \tan (c+d x))^{1+n}}{b^2 \left (a-\sqrt {-b^2}\right ) (1+n)}-\frac {\left (a^2 \sqrt {-b^2}-\left (-b^2\right )^{3/2} (1-n)+a b^2 n\right ) \operatorname {Hypergeometric2F1}\left (1,1+n,2+n,\frac {a+b \tan (c+d x)}{a+\sqrt {-b^2}}\right ) (a+b \tan (c+d x))^{1+n}}{b^2 \left (a+\sqrt {-b^2}\right ) (1+n)}}{2 \left (a^2+b^2\right )}-\frac {b^2 \left (\frac {\cos ^2(c+d x) (a+b \tan (c+d x))^{1+n} \left (b^2 \left (-3 a^2-b^2 (3-n)\right )+a^2 b^2 (2-n)+b \left (a \left (-3 a^2-b^2 (3-n)\right )-a b^2 (2-n)\right ) \tan (c+d x)\right )}{2 b^4 \left (a^2+b^2\right )}-\frac {\frac {\left (a b^2 \left (3 a^2+b^2 (5-2 n)\right ) n-\sqrt {-b^2} \left (3 a^4+a^2 b^2 \left (6-2 n-n^2\right )+b^4 \left (3-4 n+n^2\right )\right )\right ) \operatorname {Hypergeometric2F1}\left (1,1+n,2+n,\frac {a+b \tan (c+d x)}{a-\sqrt {-b^2}}\right ) (a+b \tan (c+d x))^{1+n}}{2 b^2 \left (a-\sqrt {-b^2}\right ) (1+n)}+\frac {\left (a b^2 \left (3 a^2+b^2 (5-2 n)\right ) n+\sqrt {-b^2} \left (3 a^4+a^2 b^2 \left (6-2 n-n^2\right )+b^4 \left (3-4 n+n^2\right )\right )\right ) \operatorname {Hypergeometric2F1}\left (1,1+n,2+n,\frac {a+b \tan (c+d x)}{a+\sqrt {-b^2}}\right ) (a+b \tan (c+d x))^{1+n}}{2 b^2 \left (a+\sqrt {-b^2}\right ) (1+n)}}{2 b^2 \left (a^2+b^2\right )}\right )}{4 \left (a^2+b^2\right )}\right )}{d} \]
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\[\int \left (\sin ^{4}\left (d x +c \right )\right ) \left (a +b \tan \left (d x +c \right )\right )^{n}d x\]
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\[ \int \sin ^4(c+d x) (a+b \tan (c+d x))^n \, dx=\int { {\left (b \tan \left (d x + c\right ) + a\right )}^{n} \sin \left (d x + c\right )^{4} \,d x } \]
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\[ \int \sin ^4(c+d x) (a+b \tan (c+d x))^n \, dx=\int \left (a + b \tan {\left (c + d x \right )}\right )^{n} \sin ^{4}{\left (c + d x \right )}\, dx \]
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\[ \int \sin ^4(c+d x) (a+b \tan (c+d x))^n \, dx=\int { {\left (b \tan \left (d x + c\right ) + a\right )}^{n} \sin \left (d x + c\right )^{4} \,d x } \]
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\[ \int \sin ^4(c+d x) (a+b \tan (c+d x))^n \, dx=\int { {\left (b \tan \left (d x + c\right ) + a\right )}^{n} \sin \left (d x + c\right )^{4} \,d x } \]
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Timed out. \[ \int \sin ^4(c+d x) (a+b \tan (c+d x))^n \, dx=\int {\sin \left (c+d\,x\right )}^4\,{\left (a+b\,\mathrm {tan}\left (c+d\,x\right )\right )}^n \,d x \]
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