Optimal. Leaf size=56 \[ -\frac {2}{a^3 d (\cos (c+d x)+1)}+\frac {1}{2 a^3 d (\cos (c+d x)+1)^2}-\frac {\log (\cos (c+d x)+1)}{a^3 d} \]
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Rubi [A] time = 0.04, antiderivative size = 56, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.105, Rules used = {3879, 43} \[ -\frac {2}{a^3 d (\cos (c+d x)+1)}+\frac {1}{2 a^3 d (\cos (c+d x)+1)^2}-\frac {\log (\cos (c+d x)+1)}{a^3 d} \]
Antiderivative was successfully verified.
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Rule 43
Rule 3879
Rubi steps
\begin {align*} \int \frac {\tan (c+d x)}{(a+a \sec (c+d x))^3} \, dx &=-\frac {\operatorname {Subst}\left (\int \frac {x^2}{(a+a x)^3} \, dx,x,\cos (c+d x)\right )}{d}\\ &=-\frac {\operatorname {Subst}\left (\int \left (\frac {1}{a^3 (1+x)^3}-\frac {2}{a^3 (1+x)^2}+\frac {1}{a^3 (1+x)}\right ) \, dx,x,\cos (c+d x)\right )}{d}\\ &=\frac {1}{2 a^3 d (1+\cos (c+d x))^2}-\frac {2}{a^3 d (1+\cos (c+d x))}-\frac {\log (1+\cos (c+d x))}{a^3 d}\\ \end {align*}
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Mathematica [A] time = 0.13, size = 79, normalized size = 1.41 \[ -\frac {\cos ^2\left (\frac {1}{2} (c+d x)\right ) \sec ^3(c+d x) \left (8 \cos ^2\left (\frac {1}{2} (c+d x)\right )+16 \cos ^4\left (\frac {1}{2} (c+d x)\right ) \log \left (\cos \left (\frac {1}{2} (c+d x)\right )\right )-1\right )}{a^3 d (\sec (c+d x)+1)^3} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.70, size = 76, normalized size = 1.36 \[ -\frac {2 \, {\left (\cos \left (d x + c\right )^{2} + 2 \, \cos \left (d x + c\right ) + 1\right )} \log \left (\frac {1}{2} \, \cos \left (d x + c\right ) + \frac {1}{2}\right ) + 4 \, \cos \left (d x + c\right ) + 3}{2 \, {\left (a^{3} d \cos \left (d x + c\right )^{2} + 2 \, a^{3} d \cos \left (d x + c\right ) + a^{3} d\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 0.51, size = 87, normalized size = 1.55 \[ \frac {\frac {8 \, \log \left ({\left | -\frac {\cos \left (d x + c\right ) - 1}{\cos \left (d x + c\right ) + 1} + 1 \right |}\right )}{a^{3}} + \frac {\frac {6 \, a^{3} {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} + \frac {a^{3} {\left (\cos \left (d x + c\right ) - 1\right )}^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}}}{a^{6}}}{8 \, d} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.30, size = 68, normalized size = 1.21 \[ \frac {\ln \left (\sec \left (d x +c \right )\right )}{d \,a^{3}}+\frac {1}{2 a^{3} d \left (1+\sec \left (d x +c \right )\right )^{2}}+\frac {1}{d \,a^{3} \left (1+\sec \left (d x +c \right )\right )}-\frac {\ln \left (1+\sec \left (d x +c \right )\right )}{d \,a^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.50, size = 60, normalized size = 1.07 \[ -\frac {\frac {4 \, \cos \left (d x + c\right ) + 3}{a^{3} \cos \left (d x + c\right )^{2} + 2 \, a^{3} \cos \left (d x + c\right ) + a^{3}} + \frac {2 \, \log \left (\cos \left (d x + c\right ) + 1\right )}{a^{3}}}{2 \, d} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 1.15, size = 48, normalized size = 0.86 \[ \frac {\ln \left ({\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2+1\right )-\frac {3\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2}{4}+\frac {{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^4}{8}}{a^3\,d} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 23.68, size = 411, normalized size = 7.34 \[ \begin {cases} \frac {\log {\left (\tan ^{2}{\left (c + d x \right )} + 1 \right )} \sec ^{2}{\left (c + d x \right )}}{2 a^{3} d \sec ^{2}{\left (c + d x \right )} + 4 a^{3} d \sec {\left (c + d x \right )} + 2 a^{3} d} + \frac {2 \log {\left (\tan ^{2}{\left (c + d x \right )} + 1 \right )} \sec {\left (c + d x \right )}}{2 a^{3} d \sec ^{2}{\left (c + d x \right )} + 4 a^{3} d \sec {\left (c + d x \right )} + 2 a^{3} d} + \frac {\log {\left (\tan ^{2}{\left (c + d x \right )} + 1 \right )}}{2 a^{3} d \sec ^{2}{\left (c + d x \right )} + 4 a^{3} d \sec {\left (c + d x \right )} + 2 a^{3} d} - \frac {2 \log {\left (\sec {\left (c + d x \right )} + 1 \right )} \sec ^{2}{\left (c + d x \right )}}{2 a^{3} d \sec ^{2}{\left (c + d x \right )} + 4 a^{3} d \sec {\left (c + d x \right )} + 2 a^{3} d} - \frac {4 \log {\left (\sec {\left (c + d x \right )} + 1 \right )} \sec {\left (c + d x \right )}}{2 a^{3} d \sec ^{2}{\left (c + d x \right )} + 4 a^{3} d \sec {\left (c + d x \right )} + 2 a^{3} d} - \frac {2 \log {\left (\sec {\left (c + d x \right )} + 1 \right )}}{2 a^{3} d \sec ^{2}{\left (c + d x \right )} + 4 a^{3} d \sec {\left (c + d x \right )} + 2 a^{3} d} + \frac {2 \sec {\left (c + d x \right )}}{2 a^{3} d \sec ^{2}{\left (c + d x \right )} + 4 a^{3} d \sec {\left (c + d x \right )} + 2 a^{3} d} + \frac {3}{2 a^{3} d \sec ^{2}{\left (c + d x \right )} + 4 a^{3} d \sec {\left (c + d x \right )} + 2 a^{3} d} & \text {for}\: d \neq 0 \\\frac {x \tan {\relax (c )}}{\left (a \sec {\relax (c )} + a\right )^{3}} & \text {otherwise} \end {cases} \]
Verification of antiderivative is not currently implemented for this CAS.
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