Optimal. Leaf size=102 \[ -\frac {b \left (3 a^2+b^2\right ) \log (\cos (c+d x))}{d}+\frac {3 a b^2 \sec (c+d x)}{d}-\frac {(a-b)^3 \log (\cos (c+d x)+1)}{2 d}+\frac {(a+b)^3 \log (1-\cos (c+d x))}{2 d}+\frac {b^3 \sec ^2(c+d x)}{2 d} \]
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Rubi [A] time = 0.22, antiderivative size = 102, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 4, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.210, Rules used = {3872, 2837, 12, 1802} \[ -\frac {b \left (3 a^2+b^2\right ) \log (\cos (c+d x))}{d}+\frac {3 a b^2 \sec (c+d x)}{d}-\frac {(a-b)^3 \log (\cos (c+d x)+1)}{2 d}+\frac {(a+b)^3 \log (1-\cos (c+d x))}{2 d}+\frac {b^3 \sec ^2(c+d x)}{2 d} \]
Antiderivative was successfully verified.
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Rule 12
Rule 1802
Rule 2837
Rule 3872
Rubi steps
\begin {align*} \int \csc (c+d x) (a+b \sec (c+d x))^3 \, dx &=-\int (-b-a \cos (c+d x))^3 \csc (c+d x) \sec ^3(c+d x) \, dx\\ &=\frac {a \operatorname {Subst}\left (\int \frac {a^3 (-b+x)^3}{x^3 \left (a^2-x^2\right )} \, dx,x,-a \cos (c+d x)\right )}{d}\\ &=\frac {a^4 \operatorname {Subst}\left (\int \frac {(-b+x)^3}{x^3 \left (a^2-x^2\right )} \, dx,x,-a \cos (c+d x)\right )}{d}\\ &=\frac {a^4 \operatorname {Subst}\left (\int \left (\frac {(a-b)^3}{2 a^4 (a-x)}-\frac {b^3}{a^2 x^3}+\frac {3 b^2}{a^2 x^2}+\frac {b \left (-3 a^2-b^2\right )}{a^4 x}+\frac {(a+b)^3}{2 a^4 (a+x)}\right ) \, dx,x,-a \cos (c+d x)\right )}{d}\\ &=\frac {(a+b)^3 \log (1-\cos (c+d x))}{2 d}-\frac {b \left (3 a^2+b^2\right ) \log (\cos (c+d x))}{d}-\frac {(a-b)^3 \log (1+\cos (c+d x))}{2 d}+\frac {3 a b^2 \sec (c+d x)}{d}+\frac {b^3 \sec ^2(c+d x)}{2 d}\\ \end {align*}
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Mathematica [A] time = 0.30, size = 89, normalized size = 0.87 \[ \frac {-2 b \left (3 a^2+b^2\right ) \log (\cos (c+d x))+6 a b^2 \sec (c+d x)+2 (a+b)^3 \log \left (\sin \left (\frac {1}{2} (c+d x)\right )\right )-2 (a-b)^3 \log \left (\cos \left (\frac {1}{2} (c+d x)\right )\right )+b^3 \sec ^2(c+d x)}{2 d} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.51, size = 139, normalized size = 1.36 \[ \frac {6 \, a b^{2} \cos \left (d x + c\right ) - 2 \, {\left (3 \, a^{2} b + b^{3}\right )} \cos \left (d x + c\right )^{2} \log \left (-\cos \left (d x + c\right )\right ) - {\left (a^{3} - 3 \, a^{2} b + 3 \, a b^{2} - b^{3}\right )} \cos \left (d x + c\right )^{2} \log \left (\frac {1}{2} \, \cos \left (d x + c\right ) + \frac {1}{2}\right ) + {\left (a^{3} + 3 \, a^{2} b + 3 \, a b^{2} + b^{3}\right )} \cos \left (d x + c\right )^{2} \log \left (-\frac {1}{2} \, \cos \left (d x + c\right ) + \frac {1}{2}\right ) + b^{3}}{2 \, d \cos \left (d x + c\right )^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [B] time = 0.50, size = 250, normalized size = 2.45 \[ \frac {{\left (a^{3} + 3 \, a^{2} b + 3 \, a b^{2} + b^{3}\right )} \log \left (\frac {{\left | -\cos \left (d x + c\right ) + 1 \right |}}{{\left | \cos \left (d x + c\right ) + 1 \right |}}\right ) - 2 \, {\left (3 \, a^{2} b + b^{3}\right )} \log \left ({\left | -\frac {\cos \left (d x + c\right ) - 1}{\cos \left (d x + c\right ) + 1} - 1 \right |}\right ) + \frac {9 \, a^{2} b + 12 \, a b^{2} + 3 \, b^{3} + \frac {18 \, a^{2} b {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} + \frac {12 \, a b^{2} {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} + \frac {2 \, b^{3} {\left (\cos \left (d x + c\right ) - 1\right )}}{\cos \left (d x + c\right ) + 1} + \frac {9 \, a^{2} b {\left (\cos \left (d x + c\right ) - 1\right )}^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}} + \frac {3 \, b^{3} {\left (\cos \left (d x + c\right ) - 1\right )}^{2}}{{\left (\cos \left (d x + c\right ) + 1\right )}^{2}}}{{\left (\frac {\cos \left (d x + c\right ) - 1}{\cos \left (d x + c\right ) + 1} + 1\right )}^{2}}}{2 \, d} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.39, size = 113, normalized size = 1.11 \[ \frac {a^{3} \ln \left (\csc \left (d x +c \right )-\cot \left (d x +c \right )\right )}{d}+\frac {3 a^{2} b \ln \left (\tan \left (d x +c \right )\right )}{d}+\frac {3 b^{2} a}{d \cos \left (d x +c \right )}+\frac {3 b^{2} a \ln \left (\csc \left (d x +c \right )-\cot \left (d x +c \right )\right )}{d}+\frac {b^{3}}{2 d \cos \left (d x +c \right )^{2}}+\frac {b^{3} \ln \left (\tan \left (d x +c \right )\right )}{d} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.50, size = 112, normalized size = 1.10 \[ -\frac {{\left (a^{3} - 3 \, a^{2} b + 3 \, a b^{2} - b^{3}\right )} \log \left (\cos \left (d x + c\right ) + 1\right ) - {\left (a^{3} + 3 \, a^{2} b + 3 \, a b^{2} + b^{3}\right )} \log \left (\cos \left (d x + c\right ) - 1\right ) + 2 \, {\left (3 \, a^{2} b + b^{3}\right )} \log \left (\cos \left (d x + c\right )\right ) - \frac {6 \, a b^{2} \cos \left (d x + c\right ) + b^{3}}{\cos \left (d x + c\right )^{2}}}{2 \, d} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.13, size = 85, normalized size = 0.83 \[ \frac {\frac {\ln \left (\cos \left (c+d\,x\right )-1\right )\,{\left (a+b\right )}^3}{2}-\frac {\ln \left (\cos \left (c+d\,x\right )+1\right )\,{\left (a-b\right )}^3}{2}+\frac {\frac {b^3}{2}+3\,a\,\cos \left (c+d\,x\right )\,b^2}{{\cos \left (c+d\,x\right )}^2}-\ln \left (\cos \left (c+d\,x\right )\right )\,\left (3\,a^2\,b+b^3\right )}{d} \]
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 \[ \int \left (a + b \sec {\left (c + d x \right )}\right )^{3} \csc {\left (c + d x \right )}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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