Optimal. Leaf size=50 \[ -\frac {(c+d x) \cot \left (\frac {e}{2}+\frac {f x}{2}\right )}{a f}+\frac {2 d \log \left (\sin \left (\frac {e}{2}+\frac {f x}{2}\right )\right )}{a f^2} \]
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Rubi [A]
time = 0.04, antiderivative size = 50, normalized size of antiderivative = 1.00, number of steps
used = 3, number of rules used = 3, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.158, Rules used = {3399, 4269,
3556} \begin {gather*} \frac {2 d \log \left (\sin \left (\frac {e}{2}+\frac {f x}{2}\right )\right )}{a f^2}-\frac {(c+d x) \cot \left (\frac {e}{2}+\frac {f x}{2}\right )}{a f} \end {gather*}
Antiderivative was successfully verified.
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Rule 3399
Rule 3556
Rule 4269
Rubi steps
\begin {align*} \int \frac {c+d x}{a-a \cos (e+f x)} \, dx &=\frac {\int (c+d x) \csc ^2\left (\frac {e}{2}+\frac {f x}{2}\right ) \, dx}{2 a}\\ &=-\frac {(c+d x) \cot \left (\frac {e}{2}+\frac {f x}{2}\right )}{a f}+\frac {d \int \cot \left (\frac {e}{2}+\frac {f x}{2}\right ) \, dx}{a f}\\ &=-\frac {(c+d x) \cot \left (\frac {e}{2}+\frac {f x}{2}\right )}{a f}+\frac {2 d \log \left (\sin \left (\frac {e}{2}+\frac {f x}{2}\right )\right )}{a f^2}\\ \end {align*}
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Mathematica [A]
time = 0.15, size = 57, normalized size = 1.14 \begin {gather*} \frac {-4 d \log \left (\sin \left (\frac {1}{2} (e+f x)\right )\right ) \sin ^2\left (\frac {1}{2} (e+f x)\right )+f (c+d x) \sin (e+f x)}{a f^2 (-1+\cos (e+f x))} \end {gather*}
Antiderivative was successfully verified.
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Maple [C] Result contains complex when optimal does not.
time = 0.09, size = 72, normalized size = 1.44
method | result | size |
risch | \(-\frac {2 i d x}{a f}-\frac {2 i d e}{a \,f^{2}}-\frac {2 i \left (d x +c \right )}{f a \left ({\mathrm e}^{i \left (f x +e \right )}-1\right )}+\frac {2 d \ln \left ({\mathrm e}^{i \left (f x +e \right )}-1\right )}{a \,f^{2}}\) | \(72\) |
norman | \(\frac {-\frac {c}{a f}-\frac {d x}{a f}}{\tan \left (\frac {f x}{2}+\frac {e}{2}\right )}+\frac {2 d \ln \left (\tan \left (\frac {f x}{2}+\frac {e}{2}\right )\right )}{a \,f^{2}}-\frac {d \ln \left (1+\tan ^{2}\left (\frac {f x}{2}+\frac {e}{2}\right )\right )}{a \,f^{2}}\) | \(76\) |
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. 176 vs.
\(2 (44) = 88\).
time = 0.28, size = 176, normalized size = 3.52 \begin {gather*} \frac {\frac {{\left ({\left (\cos \left (f x + e\right )^{2} + \sin \left (f x + e\right )^{2} - 2 \, \cos \left (f x + e\right ) + 1\right )} \log \left (\cos \left (f x + e\right )^{2} + \sin \left (f x + e\right )^{2} - 2 \, \cos \left (f x + e\right ) + 1\right ) - 2 \, {\left (f x + e\right )} \sin \left (f x + e\right )\right )} d}{a f \cos \left (f x + e\right )^{2} + a f \sin \left (f x + e\right )^{2} - 2 \, a f \cos \left (f x + e\right ) + a f} - \frac {c {\left (\cos \left (f x + e\right ) + 1\right )}}{a \sin \left (f x + e\right )} + \frac {d {\left (\cos \left (f x + e\right ) + 1\right )} e}{a f \sin \left (f x + e\right )}}{f} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.40, size = 63, normalized size = 1.26 \begin {gather*} -\frac {d f x - d \log \left (-\frac {1}{2} \, \cos \left (f x + e\right ) + \frac {1}{2}\right ) \sin \left (f x + e\right ) + c f + {\left (d f x + c f\right )} \cos \left (f x + e\right )}{a f^{2} \sin \left (f x + e\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 90 vs.
\(2 (39) = 78\).
time = 0.39, size = 90, normalized size = 1.80 \begin {gather*} \begin {cases} - \frac {c}{a f \tan {\left (\frac {e}{2} + \frac {f x}{2} \right )}} - \frac {d x}{a f \tan {\left (\frac {e}{2} + \frac {f x}{2} \right )}} - \frac {d \log {\left (\tan ^{2}{\left (\frac {e}{2} + \frac {f x}{2} \right )} + 1 \right )}}{a f^{2}} + \frac {2 d \log {\left (\tan {\left (\frac {e}{2} + \frac {f x}{2} \right )} \right )}}{a f^{2}} & \text {for}\: f \neq 0 \\\frac {c x + \frac {d x^{2}}{2}}{- a \cos {\left (e \right )} + a} & \text {otherwise} \end {cases} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [B] Leaf count of result is larger than twice the leaf count of optimal. 229 vs.
\(2 (44) = 88\).
time = 0.50, size = 229, normalized size = 4.58 \begin {gather*} \frac {d f x \tan \left (\frac {1}{2} \, f x\right ) \tan \left (\frac {1}{2} \, e\right ) + c f \tan \left (\frac {1}{2} \, f x\right ) \tan \left (\frac {1}{2} \, e\right ) - d f x + d \log \left (\frac {4 \, {\left (\tan \left (\frac {1}{2} \, f x\right )^{4} + 2 \, \tan \left (\frac {1}{2} \, f x\right )^{3} \tan \left (\frac {1}{2} \, e\right ) + \tan \left (\frac {1}{2} \, f x\right )^{2} \tan \left (\frac {1}{2} \, e\right )^{2} + \tan \left (\frac {1}{2} \, f x\right )^{2} + 2 \, \tan \left (\frac {1}{2} \, f x\right ) \tan \left (\frac {1}{2} \, e\right ) + \tan \left (\frac {1}{2} \, e\right )^{2}\right )}}{\tan \left (\frac {1}{2} \, e\right )^{2} + 1}\right ) \tan \left (\frac {1}{2} \, f x\right ) + d \log \left (\frac {4 \, {\left (\tan \left (\frac {1}{2} \, f x\right )^{4} + 2 \, \tan \left (\frac {1}{2} \, f x\right )^{3} \tan \left (\frac {1}{2} \, e\right ) + \tan \left (\frac {1}{2} \, f x\right )^{2} \tan \left (\frac {1}{2} \, e\right )^{2} + \tan \left (\frac {1}{2} \, f x\right )^{2} + 2 \, \tan \left (\frac {1}{2} \, f x\right ) \tan \left (\frac {1}{2} \, e\right ) + \tan \left (\frac {1}{2} \, e\right )^{2}\right )}}{\tan \left (\frac {1}{2} \, e\right )^{2} + 1}\right ) \tan \left (\frac {1}{2} \, e\right ) - c f}{a f^{2} \tan \left (\frac {1}{2} \, f x\right ) + a f^{2} \tan \left (\frac {1}{2} \, e\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 0.52, size = 65, normalized size = 1.30 \begin {gather*} \frac {2\,d\,\ln \left ({\mathrm {e}}^{e\,1{}\mathrm {i}}\,{\mathrm {e}}^{f\,x\,1{}\mathrm {i}}-1\right )}{a\,f^2}-\frac {\left (c+d\,x\right )\,2{}\mathrm {i}}{a\,f\,\left ({\mathrm {e}}^{e\,1{}\mathrm {i}+f\,x\,1{}\mathrm {i}}-1\right )}-\frac {d\,x\,2{}\mathrm {i}}{a\,f} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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