Integrand size = 24, antiderivative size = 18 \[ \int \frac {\sin ^2(c+d x)}{\left (a-a \sin ^2(c+d x)\right )^2} \, dx=\frac {\tan ^3(c+d x)}{3 a^2 d} \]
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Time = 0.05 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {3254, 2687, 30} \[ \int \frac {\sin ^2(c+d x)}{\left (a-a \sin ^2(c+d x)\right )^2} \, dx=\frac {\tan ^3(c+d x)}{3 a^2 d} \]
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Rule 30
Rule 2687
Rule 3254
Rubi steps \begin{align*} \text {integral}& = \frac {\int \sec ^2(c+d x) \tan ^2(c+d x) \, dx}{a^2} \\ & = \frac {\text {Subst}\left (\int x^2 \, dx,x,\tan (c+d x)\right )}{a^2 d} \\ & = \frac {\tan ^3(c+d x)}{3 a^2 d} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 18, normalized size of antiderivative = 1.00 \[ \int \frac {\sin ^2(c+d x)}{\left (a-a \sin ^2(c+d x)\right )^2} \, dx=\frac {\tan ^3(c+d x)}{3 a^2 d} \]
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Time = 0.52 (sec) , antiderivative size = 17, normalized size of antiderivative = 0.94
method | result | size |
derivativedivides | \(\frac {\tan ^{3}\left (d x +c \right )}{3 a^{2} d}\) | \(17\) |
default | \(\frac {\tan ^{3}\left (d x +c \right )}{3 a^{2} d}\) | \(17\) |
risch | \(-\frac {2 i \left (3 \,{\mathrm e}^{4 i \left (d x +c \right )}+1\right )}{3 d \,a^{2} \left ({\mathrm e}^{2 i \left (d x +c \right )}+1\right )^{3}}\) | \(36\) |
parallelrisch | \(\frac {-\sin \left (3 d x +3 c \right )+3 \sin \left (d x +c \right )}{3 a^{2} d \left (\cos \left (3 d x +3 c \right )+3 \cos \left (d x +c \right )\right )}\) | \(49\) |
norman | \(\frac {-\frac {8 \left (\tan ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{3 d a}-\frac {16 \left (\tan ^{5}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{3 d a}-\frac {8 \left (\tan ^{7}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{3 d a}}{a \left (1+\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )^{2} \left (\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )-1\right )^{3}}\) | \(93\) |
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none
Time = 0.27 (sec) , antiderivative size = 32, normalized size of antiderivative = 1.78 \[ \int \frac {\sin ^2(c+d x)}{\left (a-a \sin ^2(c+d x)\right )^2} \, dx=-\frac {{\left (\cos \left (d x + c\right )^{2} - 1\right )} \sin \left (d x + c\right )}{3 \, a^{2} d \cos \left (d x + c\right )^{3}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 94 vs. \(2 (14) = 28\).
Time = 2.79 (sec) , antiderivative size = 94, normalized size of antiderivative = 5.22 \[ \int \frac {\sin ^2(c+d x)}{\left (a-a \sin ^2(c+d x)\right )^2} \, dx=\begin {cases} - \frac {8 \tan ^{3}{\left (\frac {c}{2} + \frac {d x}{2} \right )}}{3 a^{2} d \tan ^{6}{\left (\frac {c}{2} + \frac {d x}{2} \right )} - 9 a^{2} d \tan ^{4}{\left (\frac {c}{2} + \frac {d x}{2} \right )} + 9 a^{2} d \tan ^{2}{\left (\frac {c}{2} + \frac {d x}{2} \right )} - 3 a^{2} d} & \text {for}\: d \neq 0 \\\frac {x \sin ^{2}{\left (c \right )}}{\left (- a \sin ^{2}{\left (c \right )} + a\right )^{2}} & \text {otherwise} \end {cases} \]
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Time = 0.26 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.89 \[ \int \frac {\sin ^2(c+d x)}{\left (a-a \sin ^2(c+d x)\right )^2} \, dx=\frac {\tan \left (d x + c\right )^{3}}{3 \, a^{2} d} \]
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Time = 0.31 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.89 \[ \int \frac {\sin ^2(c+d x)}{\left (a-a \sin ^2(c+d x)\right )^2} \, dx=\frac {\tan \left (d x + c\right )^{3}}{3 \, a^{2} d} \]
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Time = 12.60 (sec) , antiderivative size = 16, normalized size of antiderivative = 0.89 \[ \int \frac {\sin ^2(c+d x)}{\left (a-a \sin ^2(c+d x)\right )^2} \, dx=\frac {{\mathrm {tan}\left (c+d\,x\right )}^3}{3\,a^2\,d} \]
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