Optimal. Leaf size=33 \[ \frac {\text {Ci}(a+b x) \sin (a+b x)}{b}-\frac {\text {Si}(2 a+2 b x)}{2 b} \]
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Rubi [A] time = 0.06, antiderivative size = 33, normalized size of antiderivative = 1.00, number of steps used = 4, number of rules used = 4, integrand size = 13, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.308, Rules used = {6512, 4406, 12, 3299} \[ \frac {\text {CosIntegral}(a+b x) \sin (a+b x)}{b}-\frac {\text {Si}(2 a+2 b x)}{2 b} \]
Antiderivative was successfully verified.
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Rule 12
Rule 3299
Rule 4406
Rule 6512
Rubi steps
\begin {align*} \int \cos (a+b x) \text {Ci}(a+b x) \, dx &=\frac {\text {Ci}(a+b x) \sin (a+b x)}{b}-\int \frac {\cos (a+b x) \sin (a+b x)}{a+b x} \, dx\\ &=\frac {\text {Ci}(a+b x) \sin (a+b x)}{b}-\int \frac {\sin (2 a+2 b x)}{2 (a+b x)} \, dx\\ &=\frac {\text {Ci}(a+b x) \sin (a+b x)}{b}-\frac {1}{2} \int \frac {\sin (2 a+2 b x)}{a+b x} \, dx\\ &=\frac {\text {Ci}(a+b x) \sin (a+b x)}{b}-\frac {\text {Si}(2 a+2 b x)}{2 b}\\ \end {align*}
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Mathematica [A] time = 0.02, size = 32, normalized size = 0.97 \[ \frac {\text {Ci}(a+b x) \sin (a+b x)}{b}-\frac {\text {Si}(2 (a+b x))}{2 b} \]
Antiderivative was successfully verified.
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fricas [F] time = 0.90, size = 0, normalized size = 0.00 \[ {\rm integral}\left (\cos \left (b x + a\right ) \operatorname {Ci}\left (b x + a\right ), x\right ) \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [C] time = 0.15, size = 56, normalized size = 1.70 \[ \frac {\operatorname {Ci}\left (b x + a\right ) \sin \left (b x + a\right )}{b} - \frac {\Im \left (\operatorname {Ci}\left (2 \, b x + 2 \, a\right ) \right ) - \Im \left (\operatorname {Ci}\left (-2 \, b x - 2 \, a\right ) \right ) + 2 \, \operatorname {Si}\left (2 \, b x + 2 \, a\right )}{4 \, b} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.01, size = 30, normalized size = 0.91 \[ \frac {\Ci \left (b x +a \right ) \sin \left (b x +a \right )-\frac {\Si \left (2 b x +2 a \right )}{2}}{b} \]
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 \[ \int {\rm Ci}\left (b x + a\right ) \cos \left (b x + a\right )\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [F] time = 0.00, size = -1, normalized size = -0.03 \[ \int \mathrm {cosint}\left (a+b\,x\right )\,\cos \left (a+b\,x\right ) \,d x \]
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 \[ \int \cos {\left (a + b x \right )} \operatorname {Ci}{\left (a + b x \right )}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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