Integrand size = 13, antiderivative size = 29 \[ \int \sin (a+b x) \tan (c+b x) \, dx=\frac {\text {arctanh}(\sin (c+b x)) \cos (a-c)}{b}-\frac {\sin (a+b x)}{b} \]
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Time = 0.02 (sec) , antiderivative size = 29, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.231, Rules used = {4672, 2717, 3855} \[ \int \sin (a+b x) \tan (c+b x) \, dx=\frac {\cos (a-c) \text {arctanh}(\sin (b x+c))}{b}-\frac {\sin (a+b x)}{b} \]
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Rule 2717
Rule 3855
Rule 4672
Rubi steps \begin{align*} \text {integral}& = \cos (a-c) \int \sec (c+b x) \, dx-\int \cos (a+b x) \, dx \\ & = \frac {\text {arctanh}(\sin (c+b x)) \cos (a-c)}{b}-\frac {\sin (a+b x)}{b} \\ \end{align*}
Result contains complex when optimal does not.
Time = 0.06 (sec) , antiderivative size = 94, normalized size of antiderivative = 3.24 \[ \int \sin (a+b x) \tan (c+b x) \, dx=-\frac {2 i \arctan \left (\frac {(i \cos (c)+\sin (c)) \left (\cos \left (\frac {b x}{2}\right ) \sin (c)+\cos (c) \sin \left (\frac {b x}{2}\right )\right )}{\cos (c) \cos \left (\frac {b x}{2}\right )-i \cos \left (\frac {b x}{2}\right ) \sin (c)}\right ) \cos (a-c)}{b}-\frac {\cos (b x) \sin (a)}{b}-\frac {\cos (a) \sin (b x)}{b} \]
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Result contains complex when optimal does not.
Time = 0.21 (sec) , antiderivative size = 99, normalized size of antiderivative = 3.41
method | result | size |
risch | \(\frac {i {\mathrm e}^{i \left (x b +a \right )}}{2 b}-\frac {i {\mathrm e}^{-i \left (x b +a \right )}}{2 b}+\frac {\ln \left ({\mathrm e}^{i \left (x b +a \right )}+i {\mathrm e}^{i \left (a -c \right )}\right ) \cos \left (a -c \right )}{b}-\frac {\ln \left ({\mathrm e}^{i \left (x b +a \right )}-i {\mathrm e}^{i \left (a -c \right )}\right ) \cos \left (a -c \right )}{b}\) | \(99\) |
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Leaf count of result is larger than twice the leaf count of optimal. 188 vs. \(2 (29) = 58\).
Time = 0.26 (sec) , antiderivative size = 188, normalized size of antiderivative = 6.48 \[ \int \sin (a+b x) \tan (c+b x) \, dx=\frac {\sqrt {2} \sqrt {\cos \left (-2 \, a + 2 \, c\right ) + 1} \log \left (\frac {2 \, \cos \left (b x + a\right )^{2} \cos \left (-2 \, a + 2 \, c\right ) - 2 \, \cos \left (b x + a\right ) \sin \left (b x + a\right ) \sin \left (-2 \, a + 2 \, c\right ) - \frac {2 \, \sqrt {2} {\left ({\left (\cos \left (-2 \, a + 2 \, c\right ) + 1\right )} \sin \left (b x + a\right ) + \cos \left (b x + a\right ) \sin \left (-2 \, a + 2 \, c\right )\right )}}{\sqrt {\cos \left (-2 \, a + 2 \, c\right ) + 1}} - \cos \left (-2 \, a + 2 \, c\right ) - 3}{2 \, \cos \left (b x + a\right )^{2} \cos \left (-2 \, a + 2 \, c\right ) - 2 \, \cos \left (b x + a\right ) \sin \left (b x + a\right ) \sin \left (-2 \, a + 2 \, c\right ) - \cos \left (-2 \, a + 2 \, c\right ) + 1}\right ) - 4 \, \sin \left (b x + a\right )}{4 \, b} \]
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\[ \int \sin (a+b x) \tan (c+b x) \, dx=\int \sin {\left (a + b x \right )} \tan {\left (b x + c \right )}\, dx \]
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Leaf count of result is larger than twice the leaf count of optimal. 131 vs. \(2 (29) = 58\).
Time = 0.39 (sec) , antiderivative size = 131, normalized size of antiderivative = 4.52 \[ \int \sin (a+b x) \tan (c+b x) \, dx=-\frac {\cos \left (-a + c\right ) \log \left (\frac {\cos \left (b x + 2 \, c\right )^{2} + \cos \left (c\right )^{2} - 2 \, \cos \left (c\right ) \sin \left (b x + 2 \, c\right ) + \sin \left (b x + 2 \, c\right )^{2} + 2 \, \cos \left (b x + 2 \, c\right ) \sin \left (c\right ) + \sin \left (c\right )^{2}}{\cos \left (b x + 2 \, c\right )^{2} + \cos \left (c\right )^{2} + 2 \, \cos \left (c\right ) \sin \left (b x + 2 \, c\right ) + \sin \left (b x + 2 \, c\right )^{2} - 2 \, \cos \left (b x + 2 \, c\right ) \sin \left (c\right ) + \sin \left (c\right )^{2}}\right ) + 2 \, \sin \left (b x + a\right )}{2 \, b} \]
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\[ \int \sin (a+b x) \tan (c+b x) \, dx=\int { \sin \left (b x + a\right ) \tan \left (b x + c\right ) \,d x } \]
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Time = 26.04 (sec) , antiderivative size = 227, normalized size of antiderivative = 7.83 \[ \int \sin (a+b x) \tan (c+b x) \, dx=-\frac {{\mathrm {e}}^{-a\,1{}\mathrm {i}-b\,x\,1{}\mathrm {i}}\,1{}\mathrm {i}}{2\,b}+\frac {{\mathrm {e}}^{a\,1{}\mathrm {i}+b\,x\,1{}\mathrm {i}}\,1{}\mathrm {i}}{2\,b}+\frac {\ln \left (-{\mathrm {e}}^{a\,1{}\mathrm {i}}\,{\mathrm {e}}^{b\,x\,1{}\mathrm {i}}\,\left ({\mathrm {e}}^{a\,2{}\mathrm {i}}\,{\mathrm {e}}^{-c\,2{}\mathrm {i}}+1\right )-\frac {{\mathrm {e}}^{a\,2{}\mathrm {i}}\,{\mathrm {e}}^{-c\,2{}\mathrm {i}}\,\left ({\mathrm {e}}^{a\,2{}\mathrm {i}}\,{\mathrm {e}}^{-c\,2{}\mathrm {i}}+1\right )\,1{}\mathrm {i}}{\sqrt {{\mathrm {e}}^{a\,2{}\mathrm {i}}\,{\mathrm {e}}^{-c\,2{}\mathrm {i}}}}\right )\,\left ({\mathrm {e}}^{a\,2{}\mathrm {i}-c\,2{}\mathrm {i}}+1\right )}{2\,b\,\sqrt {{\mathrm {e}}^{a\,2{}\mathrm {i}-c\,2{}\mathrm {i}}}}-\frac {\ln \left (-{\mathrm {e}}^{a\,1{}\mathrm {i}}\,{\mathrm {e}}^{b\,x\,1{}\mathrm {i}}\,\left ({\mathrm {e}}^{a\,2{}\mathrm {i}}\,{\mathrm {e}}^{-c\,2{}\mathrm {i}}+1\right )+\frac {{\mathrm {e}}^{a\,2{}\mathrm {i}}\,{\mathrm {e}}^{-c\,2{}\mathrm {i}}\,\left ({\mathrm {e}}^{a\,2{}\mathrm {i}}\,{\mathrm {e}}^{-c\,2{}\mathrm {i}}+1\right )\,1{}\mathrm {i}}{\sqrt {{\mathrm {e}}^{a\,2{}\mathrm {i}}\,{\mathrm {e}}^{-c\,2{}\mathrm {i}}}}\right )\,\left ({\mathrm {e}}^{a\,2{}\mathrm {i}-c\,2{}\mathrm {i}}+1\right )}{2\,b\,\sqrt {{\mathrm {e}}^{a\,2{}\mathrm {i}-c\,2{}\mathrm {i}}}} \]
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