Optimal. Leaf size=49 \[ -\frac {2}{3} \sin ^{-1}\left (\frac {\cosh (x)}{\sqrt {2}}\right )+\frac {1}{6} \sqrt {1-\sinh ^2(x)} \text {sech}(x)-\frac {1}{3} \tanh ^3(x) \sin ^{-1}(\sinh (x))+\tanh (x) \sin ^{-1}(\sinh (x)) \]
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Rubi [A] time = 0.14, antiderivative size = 49, normalized size of antiderivative = 1.00, number of steps used = 5, number of rules used = 6, integrand size = 8, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.750, Rules used = {3767, 4844, 12, 4357, 451, 216} \[ \frac {1}{6} \sqrt {2-\cosh ^2(x)} \text {sech}(x)-\frac {2}{3} \sin ^{-1}\left (\frac {\cosh (x)}{\sqrt {2}}\right )-\frac {1}{3} \tanh ^3(x) \sin ^{-1}(\sinh (x))+\tanh (x) \sin ^{-1}(\sinh (x)) \]
Antiderivative was successfully verified.
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Rule 12
Rule 216
Rule 451
Rule 3767
Rule 4357
Rule 4844
Rubi steps
\begin {align*} \int \sin ^{-1}(\sinh (x)) \text {sech}^4(x) \, dx &=\sin ^{-1}(\sinh (x)) \tanh (x)-\frac {1}{3} \sin ^{-1}(\sinh (x)) \tanh ^3(x)-\int \frac {(2+\cosh (2 x)) \text {sech}(x) \tanh (x)}{3 \sqrt {1-\sinh ^2(x)}} \, dx\\ &=\sin ^{-1}(\sinh (x)) \tanh (x)-\frac {1}{3} \sin ^{-1}(\sinh (x)) \tanh ^3(x)-\frac {1}{3} \int \frac {(2+\cosh (2 x)) \text {sech}(x) \tanh (x)}{\sqrt {1-\sinh ^2(x)}} \, dx\\ &=\sin ^{-1}(\sinh (x)) \tanh (x)-\frac {1}{3} \sin ^{-1}(\sinh (x)) \tanh ^3(x)-\frac {1}{3} \operatorname {Subst}\left (\int \frac {1+2 x^2}{x^2 \sqrt {2-x^2}} \, dx,x,\cosh (x)\right )\\ &=\frac {1}{6} \sqrt {2-\cosh ^2(x)} \text {sech}(x)+\sin ^{-1}(\sinh (x)) \tanh (x)-\frac {1}{3} \sin ^{-1}(\sinh (x)) \tanh ^3(x)-\frac {2}{3} \operatorname {Subst}\left (\int \frac {1}{\sqrt {2-x^2}} \, dx,x,\cosh (x)\right )\\ &=-\frac {2}{3} \sin ^{-1}\left (\frac {\cosh (x)}{\sqrt {2}}\right )+\frac {1}{6} \sqrt {2-\cosh ^2(x)} \text {sech}(x)+\sin ^{-1}(\sinh (x)) \tanh (x)-\frac {1}{3} \sin ^{-1}(\sinh (x)) \tanh ^3(x)\\ \end {align*}
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Mathematica [C] time = 0.27, size = 66, normalized size = 1.35 \[ \frac {1}{12} \left (8 i \log \left (\sqrt {3-\cosh (2 x)}+i \sqrt {2} \cosh (x)\right )+\sqrt {6-2 \cosh (2 x)} \text {sech}(x)+4 (\cosh (2 x)+2) \tanh (x) \text {sech}^2(x) \sin ^{-1}(\sinh (x))\right ) \]
Antiderivative was successfully verified.
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IntegrateAlgebraic [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \sin ^{-1}(\sinh (x)) \text {sech}^4(x) \, dx \]
Verification is Not applicable to the result.
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fricas [B] time = 1.15, size = 519, normalized size = 10.59 \[ \text {result too large to display} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [C] time = 1.34, size = 218, normalized size = 4.45 \[ -\frac {16 \, {\left (-8 i \, \sqrt {2} \arctan \left (-i\right ) - 3 \, \sqrt {2} + 32 \, \arctan \left (-i\right ) - 3 i\right )}}{96 i \, \sqrt {2} - 384} + \frac {\sqrt {2} + \frac {2 \, \sqrt {2} - \sqrt {-e^{\left (4 \, x\right )} + 6 \, e^{\left (2 \, x\right )} - 1}}{e^{\left (2 \, x\right )} - 3}}{6 \, {\left (\frac {\sqrt {2} {\left (2 \, \sqrt {2} - \sqrt {-e^{\left (4 \, x\right )} + 6 \, e^{\left (2 \, x\right )} - 1}\right )}}{e^{\left (2 \, x\right )} - 3} + \frac {{\left (2 \, \sqrt {2} - \sqrt {-e^{\left (4 \, x\right )} + 6 \, e^{\left (2 \, x\right )} - 1}\right )}^{2}}{{\left (e^{\left (2 \, x\right )} - 3\right )}^{2}} + 1\right )}} - \frac {4 \, {\left (3 \, e^{\left (2 \, x\right )} + 1\right )} \arcsin \left (\frac {1}{2} \, {\left (e^{\left (2 \, x\right )} - 1\right )} e^{\left (-x\right )}\right )}{3 \, {\left (e^{\left (2 \, x\right )} + 1\right )}^{3}} - \frac {4}{3} \, \arctan \left (-2 \, \sqrt {2} - \frac {3 \, {\left (2 \, \sqrt {2} - \sqrt {-e^{\left (4 \, x\right )} + 6 \, e^{\left (2 \, x\right )} - 1}\right )}}{e^{\left (2 \, x\right )} - 3}\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [F] time = 0.05, size = 0, normalized size = 0.00 \[\int \arcsin \left (\sinh \relax (x )\right ) \mathrm {sech}\relax (x )^{4}\, dx\]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F] time = 0.00, size = 0, normalized size = 0.00 \[ -\frac {4 \, {\left (3 \, e^{\left (2 \, x\right )} + 1\right )} \arctan \left (e^{\left (2 \, x\right )} - 1, \sqrt {e^{\left (2 \, x\right )} + 2 \, e^{x} - 1} \sqrt {-e^{\left (2 \, x\right )} + 2 \, e^{x} + 1}\right ) + 16 \, {\left (e^{\left (6 \, x\right )} + 3 \, e^{\left (4 \, x\right )} + 3 \, e^{\left (2 \, x\right )} + 1\right )} \int -\frac {{\left (3 \, e^{\left (4 \, x\right )} + e^{\left (2 \, x\right )}\right )} e^{\left (\frac {1}{2} \, \log \left (e^{\left (2 \, x\right )} + 2 \, e^{x} - 1\right ) + \frac {1}{2} \, \log \left (-e^{\left (2 \, x\right )} + 2 \, e^{x} + 1\right )\right )}}{{\left (e^{\left (8 \, x\right )} - 4 \, e^{\left (6 \, x\right )} - 10 \, e^{\left (4 \, x\right )} - 4 \, e^{\left (2 \, x\right )} + 1\right )} {\left (e^{\left (2 \, x\right )} + 2 \, e^{x} - 1\right )} {\left (e^{\left (2 \, x\right )} - 2 \, e^{x} - 1\right )} - e^{\left (12 \, x\right )} + 6 \, e^{\left (10 \, x\right )} + e^{\left (8 \, x\right )} - 12 \, e^{\left (6 \, x\right )} + e^{\left (4 \, x\right )} + 6 \, e^{\left (2 \, x\right )} - 1}\,{d x}}{3 \, {\left (e^{\left (6 \, x\right )} + 3 \, e^{\left (4 \, x\right )} + 3 \, e^{\left (2 \, x\right )} + 1\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.02 \[ \int \frac {\mathrm {asin}\left (\mathrm {sinh}\relax (x)\right )}{{\mathrm {cosh}\relax (x)}^4} \,d x \]
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 \[ \int \operatorname {asin}{\left (\sinh {\relax (x )} \right )} \operatorname {sech}^{4}{\relax (x )}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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