Optimal. Leaf size=105 \[ \frac {\tanh ^{-1}(\sin (c+d x))}{16 a^4 d}+\frac {1}{8 d (a+a \sin (c+d x))^4}-\frac {1}{12 a d (a+a \sin (c+d x))^3}-\frac {1}{16 d \left (a^2+a^2 \sin (c+d x)\right )^2}-\frac {1}{16 d \left (a^4+a^4 \sin (c+d x)\right )} \]
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Rubi [A]
time = 0.05, antiderivative size = 105, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 3, integrand size = 19, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.158, Rules used = {2786, 78, 212}
\begin {gather*} -\frac {1}{16 d \left (a^4 \sin (c+d x)+a^4\right )}+\frac {\tanh ^{-1}(\sin (c+d x))}{16 a^4 d}-\frac {1}{16 d \left (a^2 \sin (c+d x)+a^2\right )^2}-\frac {1}{12 a d (a \sin (c+d x)+a)^3}+\frac {1}{8 d (a \sin (c+d x)+a)^4} \end {gather*}
Antiderivative was successfully verified.
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Rule 78
Rule 212
Rule 2786
Rubi steps
\begin {align*} \int \frac {\tan (c+d x)}{(a+a \sin (c+d x))^4} \, dx &=\frac {\text {Subst}\left (\int \frac {x}{(a-x) (a+x)^5} \, dx,x,a \sin (c+d x)\right )}{d}\\ &=\frac {\text {Subst}\left (\int \left (-\frac {1}{2 (a+x)^5}+\frac {1}{4 a (a+x)^4}+\frac {1}{8 a^2 (a+x)^3}+\frac {1}{16 a^3 (a+x)^2}+\frac {1}{16 a^3 \left (a^2-x^2\right )}\right ) \, dx,x,a \sin (c+d x)\right )}{d}\\ &=\frac {1}{8 d (a+a \sin (c+d x))^4}-\frac {1}{12 a d (a+a \sin (c+d x))^3}-\frac {1}{16 d \left (a^2+a^2 \sin (c+d x)\right )^2}-\frac {1}{16 d \left (a^4+a^4 \sin (c+d x)\right )}+\frac {\text {Subst}\left (\int \frac {1}{a^2-x^2} \, dx,x,a \sin (c+d x)\right )}{16 a^3 d}\\ &=\frac {\tanh ^{-1}(\sin (c+d x))}{16 a^4 d}+\frac {1}{8 d (a+a \sin (c+d x))^4}-\frac {1}{12 a d (a+a \sin (c+d x))^3}-\frac {1}{16 d \left (a^2+a^2 \sin (c+d x)\right )^2}-\frac {1}{16 d \left (a^4+a^4 \sin (c+d x)\right )}\\ \end {align*}
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Mathematica [A]
time = 0.18, size = 62, normalized size = 0.59 \begin {gather*} \frac {3 \tanh ^{-1}(\sin (c+d x))-\frac {4+19 \sin (c+d x)+12 \sin ^2(c+d x)+3 \sin ^3(c+d x)}{(1+\sin (c+d x))^4}}{48 a^4 d} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.32, size = 79, normalized size = 0.75
method | result | size |
derivativedivides | \(\frac {\frac {1}{8 \left (1+\sin \left (d x +c \right )\right )^{4}}-\frac {1}{12 \left (1+\sin \left (d x +c \right )\right )^{3}}-\frac {1}{16 \left (1+\sin \left (d x +c \right )\right )^{2}}-\frac {1}{16 \left (1+\sin \left (d x +c \right )\right )}+\frac {\ln \left (1+\sin \left (d x +c \right )\right )}{32}-\frac {\ln \left (\sin \left (d x +c \right )-1\right )}{32}}{d \,a^{4}}\) | \(79\) |
default | \(\frac {\frac {1}{8 \left (1+\sin \left (d x +c \right )\right )^{4}}-\frac {1}{12 \left (1+\sin \left (d x +c \right )\right )^{3}}-\frac {1}{16 \left (1+\sin \left (d x +c \right )\right )^{2}}-\frac {1}{16 \left (1+\sin \left (d x +c \right )\right )}+\frac {\ln \left (1+\sin \left (d x +c \right )\right )}{32}-\frac {\ln \left (\sin \left (d x +c \right )-1\right )}{32}}{d \,a^{4}}\) | \(79\) |
risch | \(-\frac {i \left (-3 \,{\mathrm e}^{i \left (d x +c \right )}+85 \,{\mathrm e}^{3 i \left (d x +c \right )}+24 i {\mathrm e}^{2 i \left (d x +c \right )}-80 i {\mathrm e}^{4 i \left (d x +c \right )}-85 \,{\mathrm e}^{5 i \left (d x +c \right )}+24 i {\mathrm e}^{6 i \left (d x +c \right )}+3 \,{\mathrm e}^{7 i \left (d x +c \right )}\right )}{24 d \,a^{4} \left ({\mathrm e}^{i \left (d x +c \right )}+i\right )^{8}}+\frac {\ln \left ({\mathrm e}^{i \left (d x +c \right )}+i\right )}{16 d \,a^{4}}-\frac {\ln \left ({\mathrm e}^{i \left (d x +c \right )}-i\right )}{16 d \,a^{4}}\) | \(148\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [A]
time = 0.28, size = 121, normalized size = 1.15 \begin {gather*} -\frac {\frac {2 \, {\left (3 \, \sin \left (d x + c\right )^{3} + 12 \, \sin \left (d x + c\right )^{2} + 19 \, \sin \left (d x + c\right ) + 4\right )}}{a^{4} \sin \left (d x + c\right )^{4} + 4 \, a^{4} \sin \left (d x + c\right )^{3} + 6 \, a^{4} \sin \left (d x + c\right )^{2} + 4 \, a^{4} \sin \left (d x + c\right ) + a^{4}} - \frac {3 \, \log \left (\sin \left (d x + c\right ) + 1\right )}{a^{4}} + \frac {3 \, \log \left (\sin \left (d x + c\right ) - 1\right )}{a^{4}}}{96 \, d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 198 vs.
\(2 (95) = 190\).
time = 0.35, size = 198, normalized size = 1.89 \begin {gather*} \frac {24 \, \cos \left (d x + c\right )^{2} + 3 \, {\left (\cos \left (d x + c\right )^{4} - 8 \, \cos \left (d x + c\right )^{2} - 4 \, {\left (\cos \left (d x + c\right )^{2} - 2\right )} \sin \left (d x + c\right ) + 8\right )} \log \left (\sin \left (d x + c\right ) + 1\right ) - 3 \, {\left (\cos \left (d x + c\right )^{4} - 8 \, \cos \left (d x + c\right )^{2} - 4 \, {\left (\cos \left (d x + c\right )^{2} - 2\right )} \sin \left (d x + c\right ) + 8\right )} \log \left (-\sin \left (d x + c\right ) + 1\right ) + 2 \, {\left (3 \, \cos \left (d x + c\right )^{2} - 22\right )} \sin \left (d x + c\right ) - 32}{96 \, {\left (a^{4} d \cos \left (d x + c\right )^{4} - 8 \, a^{4} d \cos \left (d x + c\right )^{2} + 8 \, a^{4} d - 4 \, {\left (a^{4} d \cos \left (d x + c\right )^{2} - 2 \, a^{4} d\right )} \sin \left (d x + c\right )\right )}} \end {gather*}
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 \begin {gather*} \frac {\int \frac {\tan {\left (c + d x \right )}}{\sin ^{4}{\left (c + d x \right )} + 4 \sin ^{3}{\left (c + d x \right )} + 6 \sin ^{2}{\left (c + d x \right )} + 4 \sin {\left (c + d x \right )} + 1}\, dx}{a^{4}} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 17.15, size = 91, normalized size = 0.87 \begin {gather*} \frac {\frac {12 \, \log \left ({\left | \sin \left (d x + c\right ) + 1 \right |}\right )}{a^{4}} - \frac {12 \, \log \left ({\left | \sin \left (d x + c\right ) - 1 \right |}\right )}{a^{4}} - \frac {25 \, \sin \left (d x + c\right )^{4} + 124 \, \sin \left (d x + c\right )^{3} + 246 \, \sin \left (d x + c\right )^{2} + 252 \, \sin \left (d x + c\right ) + 57}{a^{4} {\left (\sin \left (d x + c\right ) + 1\right )}^{4}}}{384 \, d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 10.07, size = 240, normalized size = 2.29 \begin {gather*} \frac {\mathrm {atanh}\left (\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )\right )}{8\,a^4\,d}+\frac {-\frac {{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^7}{8}+{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^6+\frac {43\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^5}{24}+\frac {10\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^4}{3}+\frac {43\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^3}{24}+{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2-\frac {\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}{8}}{d\,\left (a^4\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^8+8\,a^4\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^7+28\,a^4\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^6+56\,a^4\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^5+70\,a^4\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^4+56\,a^4\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^3+28\,a^4\,{\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )}^2+8\,a^4\,\mathrm {tan}\left (\frac {c}{2}+\frac {d\,x}{2}\right )+a^4\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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