Integrand size = 26, antiderivative size = 133 \[ \int \frac {\tan ^3(c+d x)}{(a+i a \tan (c+d x))^{3/2}} \, dx=\frac {\text {arctanh}\left (\frac {\sqrt {a+i a \tan (c+d x)}}{\sqrt {2} \sqrt {a}}\right )}{2 \sqrt {2} a^{3/2} d}-\frac {\tan ^2(c+d x)}{3 d (a+i a \tan (c+d x))^{3/2}}-\frac {11}{6 a d \sqrt {a+i a \tan (c+d x)}}-\frac {7 \sqrt {a+i a \tan (c+d x)}}{3 a^2 d} \]
[Out]
Time = 0.27 (sec) , antiderivative size = 133, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 5, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.192, Rules used = {3639, 3673, 3607, 3561, 212} \[ \int \frac {\tan ^3(c+d x)}{(a+i a \tan (c+d x))^{3/2}} \, dx=\frac {\text {arctanh}\left (\frac {\sqrt {a+i a \tan (c+d x)}}{\sqrt {2} \sqrt {a}}\right )}{2 \sqrt {2} a^{3/2} d}-\frac {7 \sqrt {a+i a \tan (c+d x)}}{3 a^2 d}-\frac {\tan ^2(c+d x)}{3 d (a+i a \tan (c+d x))^{3/2}}-\frac {11}{6 a d \sqrt {a+i a \tan (c+d x)}} \]
[In]
[Out]
Rule 212
Rule 3561
Rule 3607
Rule 3639
Rule 3673
Rubi steps \begin{align*} \text {integral}& = -\frac {\tan ^2(c+d x)}{3 d (a+i a \tan (c+d x))^{3/2}}-\frac {\int \frac {\tan (c+d x) \left (-2 a+\frac {7}{2} i a \tan (c+d x)\right )}{\sqrt {a+i a \tan (c+d x)}} \, dx}{3 a^2} \\ & = -\frac {\tan ^2(c+d x)}{3 d (a+i a \tan (c+d x))^{3/2}}-\frac {7 \sqrt {a+i a \tan (c+d x)}}{3 a^2 d}-\frac {\int \frac {-\frac {7 i a}{2}-2 a \tan (c+d x)}{\sqrt {a+i a \tan (c+d x)}} \, dx}{3 a^2} \\ & = -\frac {\tan ^2(c+d x)}{3 d (a+i a \tan (c+d x))^{3/2}}-\frac {11}{6 a d \sqrt {a+i a \tan (c+d x)}}-\frac {7 \sqrt {a+i a \tan (c+d x)}}{3 a^2 d}+\frac {i \int \sqrt {a+i a \tan (c+d x)} \, dx}{4 a^2} \\ & = -\frac {\tan ^2(c+d x)}{3 d (a+i a \tan (c+d x))^{3/2}}-\frac {11}{6 a d \sqrt {a+i a \tan (c+d x)}}-\frac {7 \sqrt {a+i a \tan (c+d x)}}{3 a^2 d}+\frac {\text {Subst}\left (\int \frac {1}{2 a-x^2} \, dx,x,\sqrt {a+i a \tan (c+d x)}\right )}{2 a d} \\ & = \frac {\text {arctanh}\left (\frac {\sqrt {a+i a \tan (c+d x)}}{\sqrt {2} \sqrt {a}}\right )}{2 \sqrt {2} a^{3/2} d}-\frac {\tan ^2(c+d x)}{3 d (a+i a \tan (c+d x))^{3/2}}-\frac {11}{6 a d \sqrt {a+i a \tan (c+d x)}}-\frac {7 \sqrt {a+i a \tan (c+d x)}}{3 a^2 d} \\ \end{align*}
Time = 1.05 (sec) , antiderivative size = 105, normalized size of antiderivative = 0.79 \[ \int \frac {\tan ^3(c+d x)}{(a+i a \tan (c+d x))^{3/2}} \, dx=\frac {3 \sqrt {2} \sqrt {a} \text {arctanh}\left (\frac {\sqrt {a+i a \tan (c+d x)}}{\sqrt {2} \sqrt {a}}\right )+\frac {2 \sqrt {a+i a \tan (c+d x)} \left (25+39 i \tan (c+d x)-12 \tan ^2(c+d x)\right )}{(-i+\tan (c+d x))^2}}{12 a^2 d} \]
[In]
[Out]
Time = 0.93 (sec) , antiderivative size = 93, normalized size of antiderivative = 0.70
method | result | size |
derivativedivides | \(\frac {-2 \sqrt {a +i a \tan \left (d x +c \right )}-\frac {5 a}{2 \sqrt {a +i a \tan \left (d x +c \right )}}+\frac {a^{2}}{3 \left (a +i a \tan \left (d x +c \right )\right )^{\frac {3}{2}}}+\frac {\sqrt {a}\, \sqrt {2}\, \operatorname {arctanh}\left (\frac {\sqrt {a +i a \tan \left (d x +c \right )}\, \sqrt {2}}{2 \sqrt {a}}\right )}{4}}{a^{2} d}\) | \(93\) |
default | \(\frac {-2 \sqrt {a +i a \tan \left (d x +c \right )}-\frac {5 a}{2 \sqrt {a +i a \tan \left (d x +c \right )}}+\frac {a^{2}}{3 \left (a +i a \tan \left (d x +c \right )\right )^{\frac {3}{2}}}+\frac {\sqrt {a}\, \sqrt {2}\, \operatorname {arctanh}\left (\frac {\sqrt {a +i a \tan \left (d x +c \right )}\, \sqrt {2}}{2 \sqrt {a}}\right )}{4}}{a^{2} d}\) | \(93\) |
[In]
[Out]
Both result and optimal contain complex but leaf count of result is larger than twice the leaf count of optimal. 273 vs. \(2 (102) = 204\).
Time = 0.24 (sec) , antiderivative size = 273, normalized size of antiderivative = 2.05 \[ \int \frac {\tan ^3(c+d x)}{(a+i a \tan (c+d x))^{3/2}} \, dx=\frac {{\left (3 \, \sqrt {\frac {1}{2}} a^{2} d \sqrt {\frac {1}{a^{3} d^{2}}} e^{\left (3 i \, d x + 3 i \, c\right )} \log \left (4 \, {\left (\sqrt {2} \sqrt {\frac {1}{2}} {\left (a^{2} d e^{\left (2 i \, d x + 2 i \, c\right )} + a^{2} d\right )} \sqrt {\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} \sqrt {\frac {1}{a^{3} d^{2}}} + a e^{\left (i \, d x + i \, c\right )}\right )} e^{\left (-i \, d x - i \, c\right )}\right ) - 3 \, \sqrt {\frac {1}{2}} a^{2} d \sqrt {\frac {1}{a^{3} d^{2}}} e^{\left (3 i \, d x + 3 i \, c\right )} \log \left (-4 \, {\left (\sqrt {2} \sqrt {\frac {1}{2}} {\left (a^{2} d e^{\left (2 i \, d x + 2 i \, c\right )} + a^{2} d\right )} \sqrt {\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} \sqrt {\frac {1}{a^{3} d^{2}}} - a e^{\left (i \, d x + i \, c\right )}\right )} e^{\left (-i \, d x - i \, c\right )}\right ) - \sqrt {2} \sqrt {\frac {a}{e^{\left (2 i \, d x + 2 i \, c\right )} + 1}} {\left (38 \, e^{\left (4 i \, d x + 4 i \, c\right )} + 13 \, e^{\left (2 i \, d x + 2 i \, c\right )} - 1\right )}\right )} e^{\left (-3 i \, d x - 3 i \, c\right )}}{12 \, a^{2} d} \]
[In]
[Out]
\[ \int \frac {\tan ^3(c+d x)}{(a+i a \tan (c+d x))^{3/2}} \, dx=\int \frac {\tan ^{3}{\left (c + d x \right )}}{\left (i a \left (\tan {\left (c + d x \right )} - i\right )\right )^{\frac {3}{2}}}\, dx \]
[In]
[Out]
none
Time = 0.30 (sec) , antiderivative size = 121, normalized size of antiderivative = 0.91 \[ \int \frac {\tan ^3(c+d x)}{(a+i a \tan (c+d x))^{3/2}} \, dx=-\frac {3 \, \sqrt {2} a^{\frac {5}{2}} \log \left (-\frac {\sqrt {2} \sqrt {a} - \sqrt {i \, a \tan \left (d x + c\right ) + a}}{\sqrt {2} \sqrt {a} + \sqrt {i \, a \tan \left (d x + c\right ) + a}}\right ) + 48 \, \sqrt {i \, a \tan \left (d x + c\right ) + a} a^{2} + \frac {4 \, {\left (15 \, {\left (i \, a \tan \left (d x + c\right ) + a\right )} a^{3} - 2 \, a^{4}\right )}}{{\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {3}{2}}}}{24 \, a^{4} d} \]
[In]
[Out]
\[ \int \frac {\tan ^3(c+d x)}{(a+i a \tan (c+d x))^{3/2}} \, dx=\int { \frac {\tan \left (d x + c\right )^{3}}{{\left (i \, a \tan \left (d x + c\right ) + a\right )}^{\frac {3}{2}}} \,d x } \]
[In]
[Out]
Time = 0.22 (sec) , antiderivative size = 93, normalized size of antiderivative = 0.70 \[ \int \frac {\tan ^3(c+d x)}{(a+i a \tan (c+d x))^{3/2}} \, dx=-\frac {2\,\sqrt {a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}}}{a^2\,d}+\frac {\sqrt {2}\,\mathrm {atanh}\left (\frac {\sqrt {2}\,\sqrt {a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}}}{2\,\sqrt {a}}\right )}{4\,a^{3/2}\,d}-\frac {\frac {13\,a}{6}+\frac {a\,\mathrm {tan}\left (c+d\,x\right )\,5{}\mathrm {i}}{2}}{a\,d\,{\left (a+a\,\mathrm {tan}\left (c+d\,x\right )\,1{}\mathrm {i}\right )}^{3/2}} \]
[In]
[Out]