Integrand size = 15, antiderivative size = 46 \[ \int \cos (a+b x) \tan ^2(c+b x) \, dx=\frac {\text {arctanh}(\sin (c+b x)) \cos (a-c)}{b}-\frac {\sec (c+b x) \sin (a-c)}{b}-\frac {\sin (a+b x)}{b} \]
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Time = 0.05 (sec) , antiderivative size = 46, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 6, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.400, Rules used = {4675, 4672, 2717, 3855, 2686, 8} \[ \int \cos (a+b x) \tan ^2(c+b x) \, dx=\frac {\cos (a-c) \text {arctanh}(\sin (b x+c))}{b}-\frac {\sin (a-c) \sec (b x+c)}{b}-\frac {\sin (a+b x)}{b} \]
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Rule 8
Rule 2686
Rule 2717
Rule 3855
Rule 4672
Rule 4675
Rubi steps \begin{align*} \text {integral}& = -(\sin (a-c) \int \sec (c+b x) \tan (c+b x) \, dx)+\int \sin (a+b x) \tan (c+b x) \, dx \\ & = \cos (a-c) \int \sec (c+b x) \, dx-\frac {\sin (a-c) \text {Subst}(\int 1 \, dx,x,\sec (c+b x))}{b}-\int \cos (a+b x) \, dx \\ & = \frac {\text {arctanh}(\sin (c+b x)) \cos (a-c)}{b}-\frac {\sec (c+b x) \sin (a-c)}{b}-\frac {\sin (a+b x)}{b} \\ \end{align*}
Result contains complex when optimal does not.
Time = 0.12 (sec) , antiderivative size = 111, normalized size of antiderivative = 2.41 \[ \int \cos (a+b x) \tan ^2(c+b x) \, dx=-\frac {2 i \arctan \left (\frac {(i \cos (c)+\sin (c)) \left (\cos \left (\frac {b x}{2}\right ) \sin (c)+\cos (c) \sin \left (\frac {b x}{2}\right )\right )}{\cos (c) \cos \left (\frac {b x}{2}\right )-i \cos \left (\frac {b x}{2}\right ) \sin (c)}\right ) \cos (a-c)}{b}-\frac {\cos (b x) \sin (a)}{b}-\frac {\sec (c+b x) \sin (a-c)}{b}-\frac {\cos (a) \sin (b x)}{b} \]
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Result contains complex when optimal does not.
Time = 0.26 (sec) , antiderivative size = 149, normalized size of antiderivative = 3.24
method | result | size |
risch | \(\frac {i {\mathrm e}^{i \left (x b +a \right )}}{2 b}-\frac {i {\mathrm e}^{-i \left (x b +a \right )}}{2 b}-\frac {i \left (-{\mathrm e}^{i \left (x b +3 a \right )}+{\mathrm e}^{i \left (x b +a +2 c \right )}\right )}{b \left ({\mathrm e}^{2 i \left (x b +a +c \right )}+{\mathrm e}^{2 i a}\right )}-\frac {\ln \left ({\mathrm e}^{i \left (x b +a \right )}-i {\mathrm e}^{i \left (a -c \right )}\right ) \cos \left (a -c \right )}{b}+\frac {\ln \left ({\mathrm e}^{i \left (x b +a \right )}+i {\mathrm e}^{i \left (a -c \right )}\right ) \cos \left (a -c \right )}{b}\) | \(149\) |
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Leaf count of result is larger than twice the leaf count of optimal. 316 vs. \(2 (46) = 92\).
Time = 0.27 (sec) , antiderivative size = 316, normalized size of antiderivative = 6.87 \[ \int \cos (a+b x) \tan ^2(c+b x) \, dx=\frac {4 \, {\left (\cos \left (-2 \, a + 2 \, c\right ) + 1\right )} \cos \left (b x + a\right ) \sin \left (b x + a\right ) + \frac {\sqrt {2} {\left ({\left (\cos \left (-2 \, a + 2 \, c\right ) + 1\right )} \sin \left (b x + a\right ) \sin \left (-2 \, a + 2 \, c\right ) - {\left (\cos \left (-2 \, a + 2 \, c\right )^{2} + 2 \, \cos \left (-2 \, a + 2 \, c\right ) + 1\right )} \cos \left (b x + a\right )\right )} \log \left (\frac {2 \, \cos \left (b x + a\right )^{2} \cos \left (-2 \, a + 2 \, c\right ) - 2 \, \cos \left (b x + a\right ) \sin \left (b x + a\right ) \sin \left (-2 \, a + 2 \, c\right ) - \frac {2 \, \sqrt {2} {\left ({\left (\cos \left (-2 \, a + 2 \, c\right ) + 1\right )} \sin \left (b x + a\right ) + \cos \left (b x + a\right ) \sin \left (-2 \, a + 2 \, c\right )\right )}}{\sqrt {\cos \left (-2 \, a + 2 \, c\right ) + 1}} - \cos \left (-2 \, a + 2 \, c\right ) - 3}{2 \, \cos \left (b x + a\right )^{2} \cos \left (-2 \, a + 2 \, c\right ) - 2 \, \cos \left (b x + a\right ) \sin \left (b x + a\right ) \sin \left (-2 \, a + 2 \, c\right ) - \cos \left (-2 \, a + 2 \, c\right ) + 1}\right )}{\sqrt {\cos \left (-2 \, a + 2 \, c\right ) + 1}} + 4 \, {\left (\cos \left (b x + a\right )^{2} - 2\right )} \sin \left (-2 \, a + 2 \, c\right )}{4 \, {\left (b \sin \left (b x + a\right ) \sin \left (-2 \, a + 2 \, c\right ) - {\left (b \cos \left (-2 \, a + 2 \, c\right ) + b\right )} \cos \left (b x + a\right )\right )}} \]
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\[ \int \cos (a+b x) \tan ^2(c+b x) \, dx=\int \cos {\left (a + b x \right )} \tan ^{2}{\left (b x + c \right )}\, dx \]
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Leaf count of result is larger than twice the leaf count of optimal. 526 vs. \(2 (46) = 92\).
Time = 0.43 (sec) , antiderivative size = 526, normalized size of antiderivative = 11.43 \[ \int \cos (a+b x) \tan ^2(c+b x) \, dx=\frac {{\left (\sin \left (3 \, b x + a + 2 \, c\right ) + \sin \left (b x + a\right )\right )} \cos \left (4 \, b x + 2 \, a + 2 \, c\right ) - 3 \, {\left (\sin \left (2 \, b x + 2 \, a\right ) - \sin \left (2 \, b x + 2 \, c\right )\right )} \cos \left (3 \, b x + a + 2 \, c\right ) - {\left (\cos \left (3 \, b x + a + 2 \, c\right )^{2} \cos \left (-a + c\right ) + 2 \, \cos \left (3 \, b x + a + 2 \, c\right ) \cos \left (b x + a\right ) \cos \left (-a + c\right ) + \cos \left (b x + a\right )^{2} \cos \left (-a + c\right ) + \cos \left (-a + c\right ) \sin \left (3 \, b x + a + 2 \, c\right )^{2} + 2 \, \cos \left (-a + c\right ) \sin \left (3 \, b x + a + 2 \, c\right ) \sin \left (b x + a\right ) + \cos \left (-a + c\right ) \sin \left (b x + a\right )^{2}\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 ) - {\left (\cos \left (3 \, b x + a + 2 \, c\right ) + \cos \left (b x + a\right )\right )} \sin \left (4 \, b x + 2 \, a + 2 \, c\right ) + {\left (3 \, \cos \left (2 \, b x + 2 \, a\right ) - 3 \, \cos \left (2 \, b x + 2 \, c\right ) - 1\right )} \sin \left (3 \, b x + a + 2 \, c\right ) - 3 \, \cos \left (b x + a\right ) \sin \left (2 \, b x + 2 \, a\right ) + 3 \, \cos \left (b x + a\right ) \sin \left (2 \, b x + 2 \, c\right ) + 3 \, \cos \left (2 \, b x + 2 \, a\right ) \sin \left (b x + a\right ) - 3 \, \cos \left (2 \, b x + 2 \, c\right ) \sin \left (b x + a\right ) - \sin \left (b x + a\right )}{2 \, {\left (b \cos \left (3 \, b x + a + 2 \, c\right )^{2} + 2 \, b \cos \left (3 \, b x + a + 2 \, c\right ) \cos \left (b x + a\right ) + b \cos \left (b x + a\right )^{2} + b \sin \left (3 \, b x + a + 2 \, c\right )^{2} + 2 \, b \sin \left (3 \, b x + a + 2 \, c\right ) \sin \left (b x + a\right ) + b \sin \left (b x + a\right )^{2}\right )}} \]
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\[ \int \cos (a+b x) \tan ^2(c+b x) \, dx=\int { \cos \left (b x + a\right ) \tan \left (b x + c\right )^{2} \,d x } \]
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Time = 26.60 (sec) , antiderivative size = 285, normalized size of antiderivative = 6.20 \[ \int \cos (a+b x) \tan ^2(c+b x) \, dx=-\frac {{\mathrm {e}}^{-a\,1{}\mathrm {i}-b\,x\,1{}\mathrm {i}}\,1{}\mathrm {i}}{2\,b}+\frac {{\mathrm {e}}^{a\,1{}\mathrm {i}+b\,x\,1{}\mathrm {i}}\,1{}\mathrm {i}}{2\,b}-\frac {{\mathrm {e}}^{a\,1{}\mathrm {i}+b\,x\,1{}\mathrm {i}}\,\left ({\mathrm {e}}^{a\,2{}\mathrm {i}-c\,2{}\mathrm {i}}-1\right )}{b\,\left ({\mathrm {e}}^{a\,2{}\mathrm {i}-c\,2{}\mathrm {i}}\,1{}\mathrm {i}+{\mathrm {e}}^{a\,2{}\mathrm {i}+b\,x\,2{}\mathrm {i}}\,1{}\mathrm {i}\right )}+\frac {\ln \left (-{\mathrm {e}}^{a\,1{}\mathrm {i}}\,{\mathrm {e}}^{b\,x\,1{}\mathrm {i}}\,\left ({\mathrm {e}}^{a\,2{}\mathrm {i}}\,{\mathrm {e}}^{-c\,2{}\mathrm {i}}+1\right )-\frac {{\mathrm {e}}^{a\,2{}\mathrm {i}}\,{\mathrm {e}}^{-c\,2{}\mathrm {i}}\,\left ({\mathrm {e}}^{a\,2{}\mathrm {i}}\,{\mathrm {e}}^{-c\,2{}\mathrm {i}}+1\right )\,1{}\mathrm {i}}{\sqrt {{\mathrm {e}}^{a\,2{}\mathrm {i}}\,{\mathrm {e}}^{-c\,2{}\mathrm {i}}}}\right )\,\left ({\mathrm {e}}^{a\,2{}\mathrm {i}-c\,2{}\mathrm {i}}+1\right )}{2\,b\,\sqrt {{\mathrm {e}}^{a\,2{}\mathrm {i}-c\,2{}\mathrm {i}}}}-\frac {\ln \left (-{\mathrm {e}}^{a\,1{}\mathrm {i}}\,{\mathrm {e}}^{b\,x\,1{}\mathrm {i}}\,\left ({\mathrm {e}}^{a\,2{}\mathrm {i}}\,{\mathrm {e}}^{-c\,2{}\mathrm {i}}+1\right )+\frac {{\mathrm {e}}^{a\,2{}\mathrm {i}}\,{\mathrm {e}}^{-c\,2{}\mathrm {i}}\,\left ({\mathrm {e}}^{a\,2{}\mathrm {i}}\,{\mathrm {e}}^{-c\,2{}\mathrm {i}}+1\right )\,1{}\mathrm {i}}{\sqrt {{\mathrm {e}}^{a\,2{}\mathrm {i}}\,{\mathrm {e}}^{-c\,2{}\mathrm {i}}}}\right )\,\left ({\mathrm {e}}^{a\,2{}\mathrm {i}-c\,2{}\mathrm {i}}+1\right )}{2\,b\,\sqrt {{\mathrm {e}}^{a\,2{}\mathrm {i}-c\,2{}\mathrm {i}}}} \]
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