Integrand size = 22, antiderivative size = 106 \[ \int \frac {\csc ^2(a+b x)}{\sin ^{\frac {7}{2}}(2 a+2 b x)} \, dx=-\frac {14 E\left (\left .a-\frac {\pi }{4}+b x\right |2\right )}{15 b}-\frac {14 \cos (2 a+2 b x)}{45 b \sin ^{\frac {5}{2}}(2 a+2 b x)}-\frac {\csc ^2(a+b x)}{9 b \sin ^{\frac {5}{2}}(2 a+2 b x)}-\frac {14 \cos (2 a+2 b x)}{15 b \sqrt {\sin (2 a+2 b x)}} \]
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Time = 0.08 (sec) , antiderivative size = 106, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.136, Rules used = {4385, 2716, 2719} \[ \int \frac {\csc ^2(a+b x)}{\sin ^{\frac {7}{2}}(2 a+2 b x)} \, dx=-\frac {14 E\left (\left .a+b x-\frac {\pi }{4}\right |2\right )}{15 b}-\frac {14 \cos (2 a+2 b x)}{45 b \sin ^{\frac {5}{2}}(2 a+2 b x)}-\frac {14 \cos (2 a+2 b x)}{15 b \sqrt {\sin (2 a+2 b x)}}-\frac {\csc ^2(a+b x)}{9 b \sin ^{\frac {5}{2}}(2 a+2 b x)} \]
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Rule 2716
Rule 2719
Rule 4385
Rubi steps \begin{align*} \text {integral}& = -\frac {\csc ^2(a+b x)}{9 b \sin ^{\frac {5}{2}}(2 a+2 b x)}+\frac {14}{9} \int \frac {1}{\sin ^{\frac {7}{2}}(2 a+2 b x)} \, dx \\ & = -\frac {14 \cos (2 a+2 b x)}{45 b \sin ^{\frac {5}{2}}(2 a+2 b x)}-\frac {\csc ^2(a+b x)}{9 b \sin ^{\frac {5}{2}}(2 a+2 b x)}+\frac {14}{15} \int \frac {1}{\sin ^{\frac {3}{2}}(2 a+2 b x)} \, dx \\ & = -\frac {14 \cos (2 a+2 b x)}{45 b \sin ^{\frac {5}{2}}(2 a+2 b x)}-\frac {\csc ^2(a+b x)}{9 b \sin ^{\frac {5}{2}}(2 a+2 b x)}-\frac {14 \cos (2 a+2 b x)}{15 b \sqrt {\sin (2 a+2 b x)}}-\frac {14}{15} \int \sqrt {\sin (2 a+2 b x)} \, dx \\ & = -\frac {14 E\left (\left .a-\frac {\pi }{4}+b x\right |2\right )}{15 b}-\frac {14 \cos (2 a+2 b x)}{45 b \sin ^{\frac {5}{2}}(2 a+2 b x)}-\frac {\csc ^2(a+b x)}{9 b \sin ^{\frac {5}{2}}(2 a+2 b x)}-\frac {14 \cos (2 a+2 b x)}{15 b \sqrt {\sin (2 a+2 b x)}} \\ \end{align*}
Time = 1.20 (sec) , antiderivative size = 85, normalized size of antiderivative = 0.80 \[ \int \frac {\csc ^2(a+b x)}{\sin ^{\frac {7}{2}}(2 a+2 b x)} \, dx=-\frac {336 E\left (\left .a-\frac {\pi }{4}+b x\right |2\right )+\frac {(-9+98 \cos (2 (a+b x))-28 \cos (4 (a+b x))-42 \cos (6 (a+b x))+21 \cos (8 (a+b x))) \csc ^2(a+b x)}{\sin ^{\frac {5}{2}}(2 (a+b x))}}{360 b} \]
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Timed out.
\[\int \frac {\csc \left (x b +a \right )^{2}}{\sin \left (2 x b +2 a \right )^{\frac {7}{2}}}d x\]
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Result contains complex when optimal does not.
Time = 0.12 (sec) , antiderivative size = 346, normalized size of antiderivative = 3.26 \[ \int \frac {\csc ^2(a+b x)}{\sin ^{\frac {7}{2}}(2 a+2 b x)} \, dx=-\frac {168 \, \sqrt {2 i} {\left (i \, \cos \left (b x + a\right )^{7} - 2 i \, \cos \left (b x + a\right )^{5} + i \, \cos \left (b x + a\right )^{3}\right )} E(\arcsin \left (\cos \left (b x + a\right ) + i \, \sin \left (b x + a\right )\right )\,|\,-1) \sin \left (b x + a\right ) + 168 \, \sqrt {-2 i} {\left (-i \, \cos \left (b x + a\right )^{7} + 2 i \, \cos \left (b x + a\right )^{5} - i \, \cos \left (b x + a\right )^{3}\right )} E(\arcsin \left (\cos \left (b x + a\right ) - i \, \sin \left (b x + a\right )\right )\,|\,-1) \sin \left (b x + a\right ) + 168 \, \sqrt {2 i} {\left (-i \, \cos \left (b x + a\right )^{7} + 2 i \, \cos \left (b x + a\right )^{5} - i \, \cos \left (b x + a\right )^{3}\right )} F(\arcsin \left (\cos \left (b x + a\right ) + i \, \sin \left (b x + a\right )\right )\,|\,-1) \sin \left (b x + a\right ) + 168 \, \sqrt {-2 i} {\left (i \, \cos \left (b x + a\right )^{7} - 2 i \, \cos \left (b x + a\right )^{5} + i \, \cos \left (b x + a\right )^{3}\right )} F(\arcsin \left (\cos \left (b x + a\right ) - i \, \sin \left (b x + a\right )\right )\,|\,-1) \sin \left (b x + a\right ) + \sqrt {2} {\left (336 \, \cos \left (b x + a\right )^{8} - 840 \, \cos \left (b x + a\right )^{6} + 644 \, \cos \left (b x + a\right )^{4} - 126 \, \cos \left (b x + a\right )^{2} - 9\right )} \sqrt {\cos \left (b x + a\right ) \sin \left (b x + a\right )}}{360 \, {\left (b \cos \left (b x + a\right )^{7} - 2 \, b \cos \left (b x + a\right )^{5} + b \cos \left (b x + a\right )^{3}\right )} \sin \left (b x + a\right )} \]
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Timed out. \[ \int \frac {\csc ^2(a+b x)}{\sin ^{\frac {7}{2}}(2 a+2 b x)} \, dx=\text {Timed out} \]
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\[ \int \frac {\csc ^2(a+b x)}{\sin ^{\frac {7}{2}}(2 a+2 b x)} \, dx=\int { \frac {\csc \left (b x + a\right )^{2}}{\sin \left (2 \, b x + 2 \, a\right )^{\frac {7}{2}}} \,d x } \]
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\[ \int \frac {\csc ^2(a+b x)}{\sin ^{\frac {7}{2}}(2 a+2 b x)} \, dx=\int { \frac {\csc \left (b x + a\right )^{2}}{\sin \left (2 \, b x + 2 \, a\right )^{\frac {7}{2}}} \,d x } \]
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Timed out. \[ \int \frac {\csc ^2(a+b x)}{\sin ^{\frac {7}{2}}(2 a+2 b x)} \, dx=\int \frac {1}{{\sin \left (a+b\,x\right )}^2\,{\sin \left (2\,a+2\,b\,x\right )}^{7/2}} \,d x \]
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