Integrand size = 22, antiderivative size = 59 \[ \int \frac {\tan (c+d x)}{(a+i a \tan (c+d x))^2} \, dx=-\frac {i x}{4 a^2}-\frac {1}{4 d (a+i a \tan (c+d x))^2}+\frac {1}{4 d \left (a^2+i a^2 \tan (c+d x)\right )} \]
[Out]
Time = 0.05 (sec) , antiderivative size = 59, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.136, Rules used = {3607, 3560, 8} \[ \int \frac {\tan (c+d x)}{(a+i a \tan (c+d x))^2} \, dx=\frac {1}{4 d \left (a^2+i a^2 \tan (c+d x)\right )}-\frac {i x}{4 a^2}-\frac {1}{4 d (a+i a \tan (c+d x))^2} \]
[In]
[Out]
Rule 8
Rule 3560
Rule 3607
Rubi steps \begin{align*} \text {integral}& = -\frac {1}{4 d (a+i a \tan (c+d x))^2}-\frac {i \int \frac {1}{a+i a \tan (c+d x)} \, dx}{2 a} \\ & = -\frac {1}{4 d (a+i a \tan (c+d x))^2}+\frac {1}{4 d \left (a^2+i a^2 \tan (c+d x)\right )}-\frac {i \int 1 \, dx}{4 a^2} \\ & = -\frac {i x}{4 a^2}-\frac {1}{4 d (a+i a \tan (c+d x))^2}+\frac {1}{4 d \left (a^2+i a^2 \tan (c+d x)\right )} \\ \end{align*}
Time = 0.11 (sec) , antiderivative size = 66, normalized size of antiderivative = 1.12 \[ \int \frac {\tan (c+d x)}{(a+i a \tan (c+d x))^2} \, dx=\frac {\sec ^2(c+d x) ((1+4 i d x) \cos (2 (c+d x))-(i+4 d x) \sin (2 (c+d x)))}{16 a^2 d (-i+\tan (c+d x))^2} \]
[In]
[Out]
Time = 0.24 (sec) , antiderivative size = 26, normalized size of antiderivative = 0.44
method | result | size |
risch | \(-\frac {i x}{4 a^{2}}-\frac {{\mathrm e}^{-4 i \left (d x +c \right )}}{16 a^{2} d}\) | \(26\) |
derivativedivides | \(-\frac {i \arctan \left (\tan \left (d x +c \right )\right )}{4 d \,a^{2}}-\frac {i}{4 d \,a^{2} \left (\tan \left (d x +c \right )-i\right )}+\frac {1}{4 d \,a^{2} \left (\tan \left (d x +c \right )-i\right )^{2}}\) | \(57\) |
default | \(-\frac {i \arctan \left (\tan \left (d x +c \right )\right )}{4 d \,a^{2}}-\frac {i}{4 d \,a^{2} \left (\tan \left (d x +c \right )-i\right )}+\frac {1}{4 d \,a^{2} \left (\tan \left (d x +c \right )-i\right )^{2}}\) | \(57\) |
norman | \(\frac {-\frac {i x}{4 a}+\frac {i \tan \left (d x +c \right )}{4 d a}-\frac {i \left (\tan ^{3}\left (d x +c \right )\right )}{4 d a}-\frac {i x \left (\tan ^{2}\left (d x +c \right )\right )}{2 a}-\frac {i x \left (\tan ^{4}\left (d x +c \right )\right )}{4 a}+\frac {\tan ^{2}\left (d x +c \right )}{2 a d}}{a \left (1+\tan ^{2}\left (d x +c \right )\right )^{2}}\) | \(103\) |
[In]
[Out]
none
Time = 0.23 (sec) , antiderivative size = 32, normalized size of antiderivative = 0.54 \[ \int \frac {\tan (c+d x)}{(a+i a \tan (c+d x))^2} \, dx=\frac {{\left (-4 i \, d x e^{\left (4 i \, d x + 4 i \, c\right )} - 1\right )} e^{\left (-4 i \, d x - 4 i \, c\right )}}{16 \, a^{2} d} \]
[In]
[Out]
Time = 0.14 (sec) , antiderivative size = 73, normalized size of antiderivative = 1.24 \[ \int \frac {\tan (c+d x)}{(a+i a \tan (c+d x))^2} \, dx=\begin {cases} - \frac {e^{- 4 i c} e^{- 4 i d x}}{16 a^{2} d} & \text {for}\: a^{2} d e^{4 i c} \neq 0 \\x \left (\frac {\left (- i e^{4 i c} + i\right ) e^{- 4 i c}}{4 a^{2}} + \frac {i}{4 a^{2}}\right ) & \text {otherwise} \end {cases} - \frac {i x}{4 a^{2}} \]
[In]
[Out]
Exception generated. \[ \int \frac {\tan (c+d x)}{(a+i a \tan (c+d x))^2} \, dx=\text {Exception raised: RuntimeError} \]
[In]
[Out]
none
Time = 0.46 (sec) , antiderivative size = 67, normalized size of antiderivative = 1.14 \[ \int \frac {\tan (c+d x)}{(a+i a \tan (c+d x))^2} \, dx=\frac {\frac {\log \left (\tan \left (2 \, d x + 2 \, c\right ) + i\right )}{a^{2}} - \frac {\log \left (\tan \left (2 \, d x + 2 \, c\right ) - i\right )}{a^{2}} + \frac {\tan \left (2 \, d x + 2 \, c\right ) + i}{a^{2} {\left (\tan \left (2 \, d x + 2 \, c\right ) - i\right )}}}{16 \, d} \]
[In]
[Out]
Time = 4.60 (sec) , antiderivative size = 46, normalized size of antiderivative = 0.78 \[ \int \frac {\tan (c+d x)}{(a+i a \tan (c+d x))^2} \, dx=-\frac {x\,1{}\mathrm {i}}{4\,a^2}+\frac {\mathrm {tan}\left (c+d\,x\right )}{4\,a^2\,d\,\left ({\mathrm {tan}\left (c+d\,x\right )}^2\,1{}\mathrm {i}+2\,\mathrm {tan}\left (c+d\,x\right )-\mathrm {i}\right )} \]
[In]
[Out]