Optimal. Leaf size=79 \[ -\frac {\left (a^2+b^2\right ) \cot (c+d x)}{d}-\frac {a b \cot ^2(c+d x)}{d}-\frac {a^2 \cot ^3(c+d x)}{3 d}+\frac {2 a b \log (\tan (c+d x))}{d}+\frac {b^2 \tan (c+d x)}{d} \]
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Rubi [A]
time = 0.05, antiderivative size = 79, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 2, integrand size = 21, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.095, Rules used = {3597, 908}
\begin {gather*} -\frac {\left (a^2+b^2\right ) \cot (c+d x)}{d}-\frac {a^2 \cot ^3(c+d x)}{3 d}-\frac {a b \cot ^2(c+d x)}{d}+\frac {2 a b \log (\tan (c+d x))}{d}+\frac {b^2 \tan (c+d x)}{d} \end {gather*}
Antiderivative was successfully verified.
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Rule 908
Rule 3597
Rubi steps
\begin {align*} \int \csc ^4(c+d x) (a+b \tan (c+d x))^2 \, dx &=\frac {b \text {Subst}\left (\int \frac {(a+x)^2 \left (b^2+x^2\right )}{x^4} \, dx,x,b \tan (c+d x)\right )}{d}\\ &=\frac {b \text {Subst}\left (\int \left (1+\frac {a^2 b^2}{x^4}+\frac {2 a b^2}{x^3}+\frac {a^2+b^2}{x^2}+\frac {2 a}{x}\right ) \, dx,x,b \tan (c+d x)\right )}{d}\\ &=-\frac {\left (a^2+b^2\right ) \cot (c+d x)}{d}-\frac {a b \cot ^2(c+d x)}{d}-\frac {a^2 \cot ^3(c+d x)}{3 d}+\frac {2 a b \log (\tan (c+d x))}{d}+\frac {b^2 \tan (c+d x)}{d}\\ \end {align*}
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Mathematica [A]
time = 1.51, size = 127, normalized size = 1.61 \begin {gather*} -\frac {\left (3 a b \cot ^2(c+d x)+a^2 \cot ^3(c+d x)+\cos ^2(c+d x) \left (\left (2 a^2+3 b^2\right ) \cot (c+d x)+6 a b (\log (\cos (c+d x))-\log (\sin (c+d x)))\right )-\frac {3}{2} b^2 \sin (2 (c+d x))\right ) (a+b \tan (c+d x))^2}{3 d (a \cos (c+d x)+b \sin (c+d x))^2} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.21, size = 80, normalized size = 1.01
method | result | size |
derivativedivides | \(\frac {a^{2} \left (-\frac {2}{3}-\frac {\left (\csc ^{2}\left (d x +c \right )\right )}{3}\right ) \cot \left (d x +c \right )+2 a b \left (-\frac {1}{2 \sin \left (d x +c \right )^{2}}+\ln \left (\tan \left (d x +c \right )\right )\right )+b^{2} \left (\frac {1}{\sin \left (d x +c \right ) \cos \left (d x +c \right )}-2 \cot \left (d x +c \right )\right )}{d}\) | \(80\) |
default | \(\frac {a^{2} \left (-\frac {2}{3}-\frac {\left (\csc ^{2}\left (d x +c \right )\right )}{3}\right ) \cot \left (d x +c \right )+2 a b \left (-\frac {1}{2 \sin \left (d x +c \right )^{2}}+\ln \left (\tan \left (d x +c \right )\right )\right )+b^{2} \left (\frac {1}{\sin \left (d x +c \right ) \cos \left (d x +c \right )}-2 \cot \left (d x +c \right )\right )}{d}\) | \(80\) |
risch | \(\frac {4 a b \,{\mathrm e}^{6 i \left (d x +c \right )}+4 i a^{2} {\mathrm e}^{4 i \left (d x +c \right )}-4 i b^{2} {\mathrm e}^{4 i \left (d x +c \right )}+\frac {8 i a^{2} {\mathrm e}^{2 i \left (d x +c \right )}}{3}+8 i b^{2} {\mathrm e}^{2 i \left (d x +c \right )}-4 a b \,{\mathrm e}^{2 i \left (d x +c \right )}-\frac {4 i a^{2}}{3}-4 i b^{2}}{d \left ({\mathrm e}^{2 i \left (d x +c \right )}+1\right ) \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right )^{3}}+\frac {2 a b \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}-1\right )}{d}-\frac {2 a b \ln \left ({\mathrm e}^{2 i \left (d x +c \right )}+1\right )}{d}\) | \(170\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.35, size = 69, normalized size = 0.87 \begin {gather*} \frac {6 \, a b \log \left (\tan \left (d x + c\right )\right ) + 3 \, b^{2} \tan \left (d x + c\right ) - \frac {3 \, a b \tan \left (d x + c\right ) + 3 \, {\left (a^{2} + b^{2}\right )} \tan \left (d x + c\right )^{2} + a^{2}}{\tan \left (d x + c\right )^{3}}}{3 \, d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 174 vs.
\(2 (77) = 154\).
time = 0.36, size = 174, normalized size = 2.20 \begin {gather*} -\frac {2 \, {\left (a^{2} + 3 \, b^{2}\right )} \cos \left (d x + c\right )^{4} - 3 \, a b \cos \left (d x + c\right ) \sin \left (d x + c\right ) - 3 \, {\left (a^{2} + 3 \, b^{2}\right )} \cos \left (d x + c\right )^{2} + 3 \, {\left (a b \cos \left (d x + c\right )^{3} - a b \cos \left (d x + c\right )\right )} \log \left (\cos \left (d x + c\right )^{2}\right ) \sin \left (d x + c\right ) - 3 \, {\left (a b \cos \left (d x + c\right )^{3} - a b \cos \left (d x + c\right )\right )} \log \left (-\frac {1}{4} \, \cos \left (d x + c\right )^{2} + \frac {1}{4}\right ) \sin \left (d x + c\right ) + 3 \, b^{2}}{3 \, {\left (d \cos \left (d x + c\right )^{3} - d \cos \left (d x + c\right )\right )} \sin \left (d x + c\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \int \left (a + b \tan {\left (c + d x \right )}\right )^{2} \csc ^{4}{\left (c + d x \right )}\, dx \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.59, size = 91, normalized size = 1.15 \begin {gather*} \frac {6 \, a b \log \left ({\left | \tan \left (d x + c\right ) \right |}\right ) + 3 \, b^{2} \tan \left (d x + c\right ) - \frac {11 \, a b \tan \left (d x + c\right )^{3} + 3 \, a^{2} \tan \left (d x + c\right )^{2} + 3 \, b^{2} \tan \left (d x + c\right )^{2} + 3 \, a b \tan \left (d x + c\right ) + a^{2}}{\tan \left (d x + c\right )^{3}}}{3 \, d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 3.79, size = 72, normalized size = 0.91 \begin {gather*} \frac {b^2\,\mathrm {tan}\left (c+d\,x\right )}{d}-\frac {{\mathrm {tan}\left (c+d\,x\right )}^2\,\left (a^2+b^2\right )+\frac {a^2}{3}+a\,b\,\mathrm {tan}\left (c+d\,x\right )}{d\,{\mathrm {tan}\left (c+d\,x\right )}^3}+\frac {2\,a\,b\,\ln \left (\mathrm {tan}\left (c+d\,x\right )\right )}{d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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