Optimal. Leaf size=13 \[ -\frac {\csc (a+b x)}{4 b} \]
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Rubi [A]
time = 0.03, antiderivative size = 13, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 3, integrand size = 20, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.150, Rules used = {4372, 2686, 8}
\begin {gather*} -\frac {\csc (a+b x)}{4 b} \end {gather*}
Antiderivative was successfully verified.
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Rule 8
Rule 2686
Rule 4372
Rubi steps
\begin {align*} \int \cos ^3(a+b x) \csc ^2(2 a+2 b x) \, dx &=\frac {1}{4} \int \cot (a+b x) \csc (a+b x) \, dx\\ &=-\frac {\text {Subst}(\int 1 \, dx,x,\csc (a+b x))}{4 b}\\ &=-\frac {\csc (a+b x)}{4 b}\\ \end {align*}
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Mathematica [A]
time = 0.01, size = 13, normalized size = 1.00 \begin {gather*} -\frac {\csc (a+b x)}{4 b} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.09, size = 14, normalized size = 1.08
method | result | size |
default | \(-\frac {1}{4 \sin \left (x b +a \right ) b}\) | \(14\) |
risch | \(-\frac {i {\mathrm e}^{i \left (x b +a \right )}}{2 b \left ({\mathrm e}^{2 i \left (x b +a \right )}-1\right )}\) | \(29\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 84 vs.
\(2 (11) = 22\).
time = 0.27, size = 84, normalized size = 6.46 \begin {gather*} -\frac {\cos \left (b x + a\right ) \sin \left (2 \, b x + 2 \, a\right ) - \cos \left (2 \, b x + 2 \, a\right ) \sin \left (b x + a\right ) + \sin \left (b x + a\right )}{2 \, {\left (b \cos \left (2 \, b x + 2 \, a\right )^{2} + b \sin \left (2 \, b x + 2 \, a\right )^{2} - 2 \, b \cos \left (2 \, b x + 2 \, a\right ) + b\right )}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 3.10, size = 13, normalized size = 1.00 \begin {gather*} -\frac {1}{4 \, b \sin \left (b x + a\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] Timed out
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Timed out} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.46, size = 13, normalized size = 1.00 \begin {gather*} -\frac {1}{4 \, b \sin \left (b x + a\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.02, size = 13, normalized size = 1.00 \begin {gather*} -\frac {1}{4\,b\,\sin \left (a+b\,x\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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