Integrand size = 16, antiderivative size = 20 \[ \int \frac {\cos ^6(x)}{\left (a-a \sin ^2(x)\right )^2} \, dx=\frac {x}{2 a^2}+\frac {\cos (x) \sin (x)}{2 a^2} \]
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Time = 0.05 (sec) , antiderivative size = 20, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.188, Rules used = {3254, 2715, 8} \[ \int \frac {\cos ^6(x)}{\left (a-a \sin ^2(x)\right )^2} \, dx=\frac {x}{2 a^2}+\frac {\sin (x) \cos (x)}{2 a^2} \]
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Rule 8
Rule 2715
Rule 3254
Rubi steps \begin{align*} \text {integral}& = \frac {\int \cos ^2(x) \, dx}{a^2} \\ & = \frac {\cos (x) \sin (x)}{2 a^2}+\frac {\int 1 \, dx}{2 a^2} \\ & = \frac {x}{2 a^2}+\frac {\cos (x) \sin (x)}{2 a^2} \\ \end{align*}
Time = 0.00 (sec) , antiderivative size = 18, normalized size of antiderivative = 0.90 \[ \int \frac {\cos ^6(x)}{\left (a-a \sin ^2(x)\right )^2} \, dx=\frac {\frac {x}{2}+\frac {1}{4} \sin (2 x)}{a^2} \]
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Time = 0.22 (sec) , antiderivative size = 14, normalized size of antiderivative = 0.70
method | result | size |
parallelrisch | \(\frac {2 x +\sin \left (2 x \right )}{4 a^{2}}\) | \(14\) |
risch | \(\frac {x}{2 a^{2}}+\frac {\sin \left (2 x \right )}{4 a^{2}}\) | \(17\) |
default | \(\frac {\frac {\tan \left (x \right )}{2+2 \left (\tan ^{2}\left (x \right )\right )}+\frac {\arctan \left (\tan \left (x \right )\right )}{2}}{a^{2}}\) | \(23\) |
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Time = 0.27 (sec) , antiderivative size = 12, normalized size of antiderivative = 0.60 \[ \int \frac {\cos ^6(x)}{\left (a-a \sin ^2(x)\right )^2} \, dx=\frac {\cos \left (x\right ) \sin \left (x\right ) + x}{2 \, a^{2}} \]
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Leaf count of result is larger than twice the leaf count of optimal. 178 vs. \(2 (17) = 34\).
Time = 9.27 (sec) , antiderivative size = 178, normalized size of antiderivative = 8.90 \[ \int \frac {\cos ^6(x)}{\left (a-a \sin ^2(x)\right )^2} \, dx=\frac {x \tan ^{4}{\left (\frac {x}{2} \right )}}{2 a^{2} \tan ^{4}{\left (\frac {x}{2} \right )} + 4 a^{2} \tan ^{2}{\left (\frac {x}{2} \right )} + 2 a^{2}} + \frac {2 x \tan ^{2}{\left (\frac {x}{2} \right )}}{2 a^{2} \tan ^{4}{\left (\frac {x}{2} \right )} + 4 a^{2} \tan ^{2}{\left (\frac {x}{2} \right )} + 2 a^{2}} + \frac {x}{2 a^{2} \tan ^{4}{\left (\frac {x}{2} \right )} + 4 a^{2} \tan ^{2}{\left (\frac {x}{2} \right )} + 2 a^{2}} - \frac {2 \tan ^{3}{\left (\frac {x}{2} \right )}}{2 a^{2} \tan ^{4}{\left (\frac {x}{2} \right )} + 4 a^{2} \tan ^{2}{\left (\frac {x}{2} \right )} + 2 a^{2}} + \frac {2 \tan {\left (\frac {x}{2} \right )}}{2 a^{2} \tan ^{4}{\left (\frac {x}{2} \right )} + 4 a^{2} \tan ^{2}{\left (\frac {x}{2} \right )} + 2 a^{2}} \]
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Time = 0.53 (sec) , antiderivative size = 25, normalized size of antiderivative = 1.25 \[ \int \frac {\cos ^6(x)}{\left (a-a \sin ^2(x)\right )^2} \, dx=\frac {\tan \left (x\right )}{2 \, {\left (a^{2} \tan \left (x\right )^{2} + a^{2}\right )}} + \frac {x}{2 \, a^{2}} \]
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Time = 0.29 (sec) , antiderivative size = 22, normalized size of antiderivative = 1.10 \[ \int \frac {\cos ^6(x)}{\left (a-a \sin ^2(x)\right )^2} \, dx=\frac {x}{2 \, a^{2}} + \frac {\tan \left (x\right )}{2 \, {\left (\tan \left (x\right )^{2} + 1\right )} a^{2}} \]
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Time = 13.59 (sec) , antiderivative size = 13, normalized size of antiderivative = 0.65 \[ \int \frac {\cos ^6(x)}{\left (a-a \sin ^2(x)\right )^2} \, dx=\frac {2\,x+\sin \left (2\,x\right )}{4\,a^2} \]
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