Optimal. Leaf size=113 \[ -\frac {b \cos (c+d x)}{a^2 d}-\frac {b^4 \log (a \cos (c+d x)+b)}{a^3 d \left (a^2-b^2\right )}+\frac {\log (1-\cos (c+d x))}{2 d (a+b)}+\frac {\log (\cos (c+d x)+1)}{2 d (a-b)}+\frac {\cos ^2(c+d x)}{2 a d} \]
[Out]
________________________________________________________________________________________
Rubi [A] time = 0.34, antiderivative size = 113, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, integrand size = 28, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.143, Rules used = {4397, 2837, 12, 1629} \[ -\frac {b^4 \log (a \cos (c+d x)+b)}{a^3 d \left (a^2-b^2\right )}-\frac {b \cos (c+d x)}{a^2 d}+\frac {\log (1-\cos (c+d x))}{2 d (a+b)}+\frac {\log (\cos (c+d x)+1)}{2 d (a-b)}+\frac {\cos ^2(c+d x)}{2 a d} \]
Antiderivative was successfully verified.
[In]
[Out]
Rule 12
Rule 1629
Rule 2837
Rule 4397
Rubi steps
\begin {align*} \int \frac {\cos ^3(c+d x)}{a \sin (c+d x)+b \tan (c+d x)} \, dx &=\int \frac {\cos ^3(c+d x) \cot (c+d x)}{b+a \cos (c+d x)} \, dx\\ &=-\frac {a \operatorname {Subst}\left (\int \frac {x^4}{a^4 (b+x) \left (a^2-x^2\right )} \, dx,x,a \cos (c+d x)\right )}{d}\\ &=-\frac {\operatorname {Subst}\left (\int \frac {x^4}{(b+x) \left (a^2-x^2\right )} \, dx,x,a \cos (c+d x)\right )}{a^3 d}\\ &=-\frac {\operatorname {Subst}\left (\int \left (b+\frac {a^3}{2 (a+b) (a-x)}-x-\frac {a^3}{2 (a-b) (a+x)}+\frac {b^4}{(a-b) (a+b) (b+x)}\right ) \, dx,x,a \cos (c+d x)\right )}{a^3 d}\\ &=-\frac {b \cos (c+d x)}{a^2 d}+\frac {\cos ^2(c+d x)}{2 a d}+\frac {\log (1-\cos (c+d x))}{2 (a+b) d}+\frac {\log (1+\cos (c+d x))}{2 (a-b) d}-\frac {b^4 \log (b+a \cos (c+d x))}{a^3 \left (a^2-b^2\right ) d}\\ \end {align*}
________________________________________________________________________________________
Mathematica [A] time = 0.37, size = 100, normalized size = 0.88 \[ \frac {-\frac {4 b \cos (c+d x)}{a^2}+4 \left (\frac {b^4 \log (a \cos (c+d x)+b)}{a^3 \left (b^2-a^2\right )}+\frac {\log \left (\sin \left (\frac {1}{2} (c+d x)\right )\right )}{a+b}+\frac {\log \left (\cos \left (\frac {1}{2} (c+d x)\right )\right )}{a-b}\right )+\frac {\cos (2 (c+d x))}{a}}{4 d} \]
Antiderivative was successfully verified.
[In]
[Out]
________________________________________________________________________________________
fricas [A] time = 0.64, size = 123, normalized size = 1.09 \[ -\frac {2 \, b^{4} \log \left (a \cos \left (d x + c\right ) + b\right ) - {\left (a^{4} - a^{2} b^{2}\right )} \cos \left (d x + c\right )^{2} + 2 \, {\left (a^{3} b - a b^{3}\right )} \cos \left (d x + c\right ) - {\left (a^{4} + a^{3} b\right )} \log \left (\frac {1}{2} \, \cos \left (d x + c\right ) + \frac {1}{2}\right ) - {\left (a^{4} - a^{3} b\right )} \log \left (-\frac {1}{2} \, \cos \left (d x + c\right ) + \frac {1}{2}\right )}{2 \, {\left (a^{5} - a^{3} b^{2}\right )} d} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
giac [B] time = 0.40, size = 303, normalized size = 2.68 \[ -\frac {\frac {2 \, b^{4} \log \left ({\left | -a - b - \frac {a {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} + \frac {b {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} \right |}\right )}{a^{5} - a^{3} b^{2}} - \frac {\log \left (\frac {{\left | -\cos \left (d x + c\right ) + 1 \right |}}{{\left | \cos \left (d x + c\right ) + 1 \right |}}\right )}{a + b} + \frac {2 \, {\left (a^{2} + b^{2}\right )} \log \left ({\left | -\frac {\cos \left (d x + c\right ) - 1}{\cos \left (d x + c\right ) + 1} + 1 \right |}\right )}{a^{3}} - \frac {3 \, a^{2} - 4 \, a b + 3 \, b^{2} - \frac {2 \, a^{2} {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} + \frac {4 \, a b {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} - \frac {6 \, b^{2} {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} + \frac {3 \, a^{2} {\left (\cos \left (d x + c\right ) - 1\right )}^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}} + \frac {3 \, b^{2} {\left (\cos \left (d x + c\right ) - 1\right )}^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}}}{a^{3} {\left (\frac {\cos \left (d x + c\right ) - 1}{\cos \left (d x + c\right ) + 1} - 1\right )}^{2}}}{2 \, d} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maple [A] time = 0.18, size = 111, normalized size = 0.98 \[ \frac {\cos ^{2}\left (d x +c \right )}{2 a d}-\frac {b \cos \left (d x +c \right )}{a^{2} d}-\frac {b^{4} \ln \left (b +a \cos \left (d x +c \right )\right )}{d \,a^{3} \left (a +b \right ) \left (a -b \right )}+\frac {\ln \left (\cos \left (d x +c \right )-1\right )}{d \left (2 a +2 b \right )}+\frac {\ln \left (1+\cos \left (d x +c \right )\right )}{d \left (2 a -2 b \right )} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
maxima [A] time = 0.43, size = 188, normalized size = 1.66 \[ -\frac {\frac {b^{4} \log \left (a + b - \frac {{\left (a - b\right )} \sin \left (d x + c\right )^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}}\right )}{a^{5} - a^{3} b^{2}} + \frac {2 \, {\left (b + \frac {{\left (a + b\right )} \sin \left (d x + c\right )^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}}\right )}}{a^{2} + \frac {2 \, a^{2} \sin \left (d x + c\right )^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}} + \frac {a^{2} \sin \left (d x + c\right )^{4}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{4}}} - \frac {\log \left (\frac {\sin \left (d x + c\right )}{\cos \left (d x + c\right ) + 1}\right )}{a + b} + \frac {{\left (a^{2} + b^{2}\right )} \log \left (\frac {\sin \left (d x + c\right )^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}} + 1\right )}{a^{3}}}{d} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
mupad [B] time = 1.16, size = 161, normalized size = 1.42 \[ \frac {\ln \left (\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )\right )}{d\,\left (a+b\right )}-\frac {\frac {2\,b}{a^2}+\frac {2\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2\,\left (a+b\right )}{a^2}}{d\,\left ({\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^4+2\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2+1\right )}-\frac {b^4\,\ln \left (a+b-a\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2+b\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2\right )}{d\,\left (a^5-a^3\,b^2\right )}-\frac {\ln \left ({\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2+1\right )\,\left (a^2+b^2\right )}{a^3\,d} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________
sympy [F(-1)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Timed out} \]
Verification of antiderivative is not currently implemented for this CAS.
[In]
[Out]
________________________________________________________________________________________