Optimal. Leaf size=112 \[ \frac {a^2 x}{d^2}-\frac {2 a^2 (c-d)^2 (c+2 d) \tan ^{-1}\left (\frac {d+c \tan \left (\frac {1}{2} (e+f x)\right )}{\sqrt {c^2-d^2}}\right )}{d^2 \left (c^2-d^2\right )^{3/2} f}+\frac {a^2 (c-d) \cos (e+f x)}{d (c+d) f (c+d \sin (e+f x))} \]
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Rubi [A]
time = 0.13, antiderivative size = 115, normalized size of antiderivative = 1.03, number of steps
used = 5, number of rules used = 5, integrand size = 25, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.200, Rules used = {2841, 2814,
2739, 632, 210} \begin {gather*} -\frac {2 a^2 (c-d) (c+2 d) \text {ArcTan}\left (\frac {c \tan \left (\frac {1}{2} (e+f x)\right )+d}{\sqrt {c^2-d^2}}\right )}{d^2 f (c+d) \sqrt {c^2-d^2}}+\frac {a^2 (c-d) \cos (e+f x)}{d f (c+d) (c+d \sin (e+f x))}+\frac {a^2 x}{d^2} \end {gather*}
Antiderivative was successfully verified.
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Rule 210
Rule 632
Rule 2739
Rule 2814
Rule 2841
Rubi steps
\begin {align*} \int \frac {(a+a \sin (e+f x))^2}{(c+d \sin (e+f x))^2} \, dx &=\frac {a^2 (c-d) \cos (e+f x)}{d (c+d) f (c+d \sin (e+f x))}-\frac {a \int \frac {-2 a d-a (c+d) \sin (e+f x)}{c+d \sin (e+f x)} \, dx}{d (c+d)}\\ &=\frac {a^2 x}{d^2}+\frac {a^2 (c-d) \cos (e+f x)}{d (c+d) f (c+d \sin (e+f x))}-\frac {\left (a^2 (c-d) (c+2 d)\right ) \int \frac {1}{c+d \sin (e+f x)} \, dx}{d^2 (c+d)}\\ &=\frac {a^2 x}{d^2}+\frac {a^2 (c-d) \cos (e+f x)}{d (c+d) f (c+d \sin (e+f x))}-\frac {\left (2 a^2 (c-d) (c+2 d)\right ) \text {Subst}\left (\int \frac {1}{c+2 d x+c x^2} \, dx,x,\tan \left (\frac {1}{2} (e+f x)\right )\right )}{d^2 (c+d) f}\\ &=\frac {a^2 x}{d^2}+\frac {a^2 (c-d) \cos (e+f x)}{d (c+d) f (c+d \sin (e+f x))}+\frac {\left (4 a^2 (c-d) (c+2 d)\right ) \text {Subst}\left (\int \frac {1}{-4 \left (c^2-d^2\right )-x^2} \, dx,x,2 d+2 c \tan \left (\frac {1}{2} (e+f x)\right )\right )}{d^2 (c+d) f}\\ &=\frac {a^2 x}{d^2}-\frac {2 a^2 (c-d) (c+2 d) \tan ^{-1}\left (\frac {d+c \tan \left (\frac {1}{2} (e+f x)\right )}{\sqrt {c^2-d^2}}\right )}{d^2 (c+d) \sqrt {c^2-d^2} f}+\frac {a^2 (c-d) \cos (e+f x)}{d (c+d) f (c+d \sin (e+f x))}\\ \end {align*}
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Mathematica [A]
time = 0.33, size = 139, normalized size = 1.24 \begin {gather*} \frac {a^2 (1+\sin (e+f x))^2 \left (e+f x-\frac {2 \left (c^2+c d-2 d^2\right ) \tan ^{-1}\left (\frac {d+c \tan \left (\frac {1}{2} (e+f x)\right )}{\sqrt {c^2-d^2}}\right )}{(c+d) \sqrt {c^2-d^2}}+\frac {(c-d) d \cos (e+f x)}{(c+d) (c+d \sin (e+f x))}\right )}{d^2 f \left (\cos \left (\frac {1}{2} (e+f x)\right )+\sin \left (\frac {1}{2} (e+f x)\right )\right )^4} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.47, size = 160, normalized size = 1.43
method | result | size |
derivativedivides | \(\frac {2 a^{2} \left (-\frac {\frac {-\frac {d^{2} \left (c -d \right ) \tan \left (\frac {f x}{2}+\frac {e}{2}\right )}{\left (c +d \right ) c}-\frac {d \left (c -d \right )}{c +d}}{c \left (\tan ^{2}\left (\frac {f x}{2}+\frac {e}{2}\right )\right )+2 d \tan \left (\frac {f x}{2}+\frac {e}{2}\right )+c}+\frac {\left (c^{2}+c d -2 d^{2}\right ) \arctan \left (\frac {2 c \tan \left (\frac {f x}{2}+\frac {e}{2}\right )+2 d}{2 \sqrt {c^{2}-d^{2}}}\right )}{\left (c +d \right ) \sqrt {c^{2}-d^{2}}}}{d^{2}}+\frac {\arctan \left (\tan \left (\frac {f x}{2}+\frac {e}{2}\right )\right )}{d^{2}}\right )}{f}\) | \(160\) |
default | \(\frac {2 a^{2} \left (-\frac {\frac {-\frac {d^{2} \left (c -d \right ) \tan \left (\frac {f x}{2}+\frac {e}{2}\right )}{\left (c +d \right ) c}-\frac {d \left (c -d \right )}{c +d}}{c \left (\tan ^{2}\left (\frac {f x}{2}+\frac {e}{2}\right )\right )+2 d \tan \left (\frac {f x}{2}+\frac {e}{2}\right )+c}+\frac {\left (c^{2}+c d -2 d^{2}\right ) \arctan \left (\frac {2 c \tan \left (\frac {f x}{2}+\frac {e}{2}\right )+2 d}{2 \sqrt {c^{2}-d^{2}}}\right )}{\left (c +d \right ) \sqrt {c^{2}-d^{2}}}}{d^{2}}+\frac {\arctan \left (\tan \left (\frac {f x}{2}+\frac {e}{2}\right )\right )}{d^{2}}\right )}{f}\) | \(160\) |
risch | \(\frac {a^{2} x}{d^{2}}-\frac {2 i a^{2} \left (c -d \right ) \left (i d +c \,{\mathrm e}^{i \left (f x +e \right )}\right )}{d^{2} \left (c +d \right ) f \left (-i d \,{\mathrm e}^{2 i \left (f x +e \right )}+i d +2 c \,{\mathrm e}^{i \left (f x +e \right )}\right )}+\frac {\sqrt {-\left (c +d \right ) \left (c -d \right )}\, a^{2} \ln \left ({\mathrm e}^{i \left (f x +e \right )}+\frac {i c -\sqrt {-\left (c +d \right ) \left (c -d \right )}}{d}\right ) c}{\left (c +d \right )^{2} f \,d^{2}}+\frac {2 \sqrt {-\left (c +d \right ) \left (c -d \right )}\, a^{2} \ln \left ({\mathrm e}^{i \left (f x +e \right )}+\frac {i c -\sqrt {-\left (c +d \right ) \left (c -d \right )}}{d}\right )}{\left (c +d \right )^{2} f d}-\frac {\sqrt {-\left (c +d \right ) \left (c -d \right )}\, a^{2} \ln \left ({\mathrm e}^{i \left (f x +e \right )}+\frac {i c +\sqrt {-\left (c +d \right ) \left (c -d \right )}}{d}\right ) c}{\left (c +d \right )^{2} f \,d^{2}}-\frac {2 \sqrt {-\left (c +d \right ) \left (c -d \right )}\, a^{2} \ln \left ({\mathrm e}^{i \left (f x +e \right )}+\frac {i c +\sqrt {-\left (c +d \right ) \left (c -d \right )}}{d}\right )}{\left (c +d \right )^{2} f d}\) | \(325\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F(-2)]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Exception raised: ValueError} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [A]
time = 0.37, size = 493, normalized size = 4.40 \begin {gather*} \left [\frac {2 \, {\left (a^{2} c d + a^{2} d^{2}\right )} f x \sin \left (f x + e\right ) + 2 \, {\left (a^{2} c^{2} + a^{2} c d\right )} f x + {\left (a^{2} c^{2} + 2 \, a^{2} c d + {\left (a^{2} c d + 2 \, a^{2} d^{2}\right )} \sin \left (f x + e\right )\right )} \sqrt {-\frac {c - d}{c + d}} \log \left (\frac {{\left (2 \, c^{2} - d^{2}\right )} \cos \left (f x + e\right )^{2} - 2 \, c d \sin \left (f x + e\right ) - c^{2} - d^{2} + 2 \, {\left ({\left (c^{2} + c d\right )} \cos \left (f x + e\right ) \sin \left (f x + e\right ) + {\left (c d + d^{2}\right )} \cos \left (f x + e\right )\right )} \sqrt {-\frac {c - d}{c + d}}}{d^{2} \cos \left (f x + e\right )^{2} - 2 \, c d \sin \left (f x + e\right ) - c^{2} - d^{2}}\right ) + 2 \, {\left (a^{2} c d - a^{2} d^{2}\right )} \cos \left (f x + e\right )}{2 \, {\left ({\left (c d^{3} + d^{4}\right )} f \sin \left (f x + e\right ) + {\left (c^{2} d^{2} + c d^{3}\right )} f\right )}}, \frac {{\left (a^{2} c d + a^{2} d^{2}\right )} f x \sin \left (f x + e\right ) + {\left (a^{2} c^{2} + a^{2} c d\right )} f x + {\left (a^{2} c^{2} + 2 \, a^{2} c d + {\left (a^{2} c d + 2 \, a^{2} d^{2}\right )} \sin \left (f x + e\right )\right )} \sqrt {\frac {c - d}{c + d}} \arctan \left (-\frac {{\left (c \sin \left (f x + e\right ) + d\right )} \sqrt {\frac {c - d}{c + d}}}{{\left (c - d\right )} \cos \left (f x + e\right )}\right ) + {\left (a^{2} c d - a^{2} d^{2}\right )} \cos \left (f x + e\right )}{{\left (c d^{3} + d^{4}\right )} f \sin \left (f x + e\right ) + {\left (c^{2} d^{2} + c d^{3}\right )} f}\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 = 0.45, size = 205, normalized size = 1.83 \begin {gather*} \frac {\frac {{\left (f x + e\right )} a^{2}}{d^{2}} - \frac {2 \, {\left (a^{2} c^{2} + a^{2} c d - 2 \, a^{2} d^{2}\right )} {\left (\pi \left \lfloor \frac {f x + e}{2 \, \pi } + \frac {1}{2} \right \rfloor \mathrm {sgn}\left (c\right ) + \arctan \left (\frac {c \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right ) + d}{\sqrt {c^{2} - d^{2}}}\right )\right )}}{{\left (c d^{2} + d^{3}\right )} \sqrt {c^{2} - d^{2}}} + \frac {2 \, {\left (a^{2} c d \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right ) - a^{2} d^{2} \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right ) + a^{2} c^{2} - a^{2} c d\right )}}{{\left (c^{2} d + c d^{2}\right )} {\left (c \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right )^{2} + 2 \, d \tan \left (\frac {1}{2} \, f x + \frac {1}{2} \, e\right ) + c\right )}}}{f} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 11.24, size = 2836, normalized size = 25.32 \begin {gather*} \text {Too large to display} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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