Optimal. Leaf size=49 \[ \frac {(c+d x) \tan \left (\frac {e}{2}+\frac {f x}{2}\right )}{a f}+\frac {2 d \log \left (\cos \left (\frac {e}{2}+\frac {f x}{2}\right )\right )}{a f^2} \]
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Rubi [A] time = 0.06, antiderivative size = 49, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, integrand size = 18, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.167, Rules used = {3318, 4184, 3475} \[ \frac {(c+d x) \tan \left (\frac {e}{2}+\frac {f x}{2}\right )}{a f}+\frac {2 d \log \left (\cos \left (\frac {e}{2}+\frac {f x}{2}\right )\right )}{a f^2} \]
Antiderivative was successfully verified.
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Rule 3318
Rule 3475
Rule 4184
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+\pi }{2}+\frac {f x}{2}\right ) \, dx}{2 a}\\ &=\frac {(c+d x) \tan \left (\frac {e}{2}+\frac {f x}{2}\right )}{a f}-\frac {d \int \tan \left (\frac {e}{2}+\frac {f x}{2}\right ) \, dx}{a f}\\ &=\frac {2 d \log \left (\cos \left (\frac {e}{2}+\frac {f x}{2}\right )\right )}{a f^2}+\frac {(c+d x) \tan \left (\frac {e}{2}+\frac {f x}{2}\right )}{a f}\\ \end {align*}
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Mathematica [A] time = 0.08, size = 70, normalized size = 1.43 \[ \frac {2 \cos \left (\frac {1}{2} (e+f x)\right ) \left (f (c+d x) \sin \left (\frac {1}{2} (e+f x)\right )+2 d \cos \left (\frac {1}{2} (e+f x)\right ) \log \left (\cos \left (\frac {1}{2} (e+f x)\right )\right )\right )}{a f^2 (\cos (e+f x)+1)} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.74, size = 58, normalized size = 1.18 \[ \frac {{\left (d \cos \left (f x + e\right ) + d\right )} \log \left (\frac {1}{2} \, \cos \left (f x + e\right ) + \frac {1}{2}\right ) + {\left (d f x + c f\right )} \sin \left (f x + e\right )}{a f^{2} \cos \left (f x + e\right ) + a f^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [B] time = 0.61, size = 234, normalized size = 4.78 \[ -\frac {d f x \tan \left (\frac {1}{2} \, f x\right ) + d f x \tan \left (\frac {1}{2} \, e\right ) - d \log \left (\frac {4 \, {\left (\tan \left (\frac {1}{2} \, f x\right )^{4} \tan \left (\frac {1}{2} \, e\right )^{2} - 2 \, \tan \left (\frac {1}{2} \, f x\right )^{3} \tan \left (\frac {1}{2} \, e\right ) + \tan \left (\frac {1}{2} \, f x\right )^{2} \tan \left (\frac {1}{2} \, e\right )^{2} + \tan \left (\frac {1}{2} \, f x\right )^{2} - 2 \, \tan \left (\frac {1}{2} \, f x\right ) \tan \left (\frac {1}{2} \, e\right ) + 1\right )}}{\tan \left (\frac {1}{2} \, e\right )^{2} + 1}\right ) \tan \left (\frac {1}{2} \, f x\right ) \tan \left (\frac {1}{2} \, e\right ) + c f \tan \left (\frac {1}{2} \, f x\right ) + c f \tan \left (\frac {1}{2} \, e\right ) + d \log \left (\frac {4 \, {\left (\tan \left (\frac {1}{2} \, f x\right )^{4} \tan \left (\frac {1}{2} \, e\right )^{2} - 2 \, \tan \left (\frac {1}{2} \, f x\right )^{3} \tan \left (\frac {1}{2} \, e\right ) + \tan \left (\frac {1}{2} \, f x\right )^{2} \tan \left (\frac {1}{2} \, e\right )^{2} + \tan \left (\frac {1}{2} \, f x\right )^{2} - 2 \, \tan \left (\frac {1}{2} \, f x\right ) \tan \left (\frac {1}{2} \, e\right ) + 1\right )}}{\tan \left (\frac {1}{2} \, e\right )^{2} + 1}\right )}{a f^{2} \tan \left (\frac {1}{2} \, f x\right ) \tan \left (\frac {1}{2} \, e\right ) - a f^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.09, size = 60, normalized size = 1.22 \[ \frac {c \tan \left (\frac {e}{2}+\frac {f x}{2}\right )}{a f}+\frac {d x \tan \left (\frac {e}{2}+\frac {f x}{2}\right )}{a f}-\frac {d \ln \left (1+\tan ^{2}\left (\frac {e}{2}+\frac {f x}{2}\right )\right )}{a \,f^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [B] time = 0.43, size = 160, normalized size = 3.27 \[ \frac {\frac {{\left ({\left (\cos \left (f x + e\right )^{2} + \sin \left (f x + e\right )^{2} + 2 \, \cos \left (f x + e\right ) + 1\right )} \log \left (\cos \left (f x + e\right )^{2} + \sin \left (f x + e\right )^{2} + 2 \, \cos \left (f x + e\right ) + 1\right ) + 2 \, {\left (f x + e\right )} \sin \left (f x + e\right )\right )} d}{a f \cos \left (f x + e\right )^{2} + a f \sin \left (f x + e\right )^{2} + 2 \, a f \cos \left (f x + e\right ) + a f} + \frac {c \sin \left (f x + e\right )}{a {\left (\cos \left (f x + e\right ) + 1\right )}} - \frac {d e \sin \left (f x + e\right )}{a f {\left (\cos \left (f x + e\right ) + 1\right )}}}{f} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.66, size = 65, normalized size = 1.33 \[ \frac {2\,d\,\ln \left ({\mathrm {e}}^{e\,1{}\mathrm {i}}\,{\mathrm {e}}^{f\,x\,1{}\mathrm {i}}+1\right )}{a\,f^2}+\frac {\left (c+d\,x\right )\,2{}\mathrm {i}}{a\,f\,\left ({\mathrm {e}}^{e\,1{}\mathrm {i}+f\,x\,1{}\mathrm {i}}+1\right )}-\frac {d\,x\,2{}\mathrm {i}}{a\,f} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 0.65, size = 70, normalized size = 1.43 \[ \begin {cases} \frac {c \tan {\left (\frac {e}{2} + \frac {f x}{2} \right )}}{a f} + \frac {d x \tan {\left (\frac {e}{2} + \frac {f x}{2} \right )}}{a f} - \frac {d \log {\left (\tan ^{2}{\left (\frac {e}{2} + \frac {f x}{2} \right )} + 1 \right )}}{a f^{2}} & \text {for}\: f \neq 0 \\\frac {c x + \frac {d x^{2}}{2}}{a \cos {\relax (e )} + a} & \text {otherwise} \end {cases} \]
Verification of antiderivative is not currently implemented for this CAS.
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