Optimal. Leaf size=79 \[ \frac{\tanh ^{-1}\left (\frac{2 a+(b-2 c) \cot ^2(d+e x)-b}{2 \sqrt{a-b+c} \sqrt{a+b \cot ^2(d+e x)+c \cot ^4(d+e x)}}\right )}{2 e \sqrt{a-b+c}} \]
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Rubi [A] time = 0.116462, antiderivative size = 79, normalized size of antiderivative = 1., number of steps used = 4, number of rules used = 4, integrand size = 33, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.121, Rules used = {3701, 1247, 724, 206} \[ \frac{\tanh ^{-1}\left (\frac{2 a+(b-2 c) \cot ^2(d+e x)-b}{2 \sqrt{a-b+c} \sqrt{a+b \cot ^2(d+e x)+c \cot ^4(d+e x)}}\right )}{2 e \sqrt{a-b+c}} \]
Antiderivative was successfully verified.
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Rule 3701
Rule 1247
Rule 724
Rule 206
Rubi steps
\begin{align*} \int \frac{\cot (d+e x)}{\sqrt{a+b \cot ^2(d+e x)+c \cot ^4(d+e x)}} \, dx &=-\frac{\operatorname{Subst}\left (\int \frac{x}{\left (1+x^2\right ) \sqrt{a+b x^2+c x^4}} \, dx,x,\cot (d+e x)\right )}{e}\\ &=-\frac{\operatorname{Subst}\left (\int \frac{1}{(1+x) \sqrt{a+b x+c x^2}} \, dx,x,\cot ^2(d+e x)\right )}{2 e}\\ &=\frac{\operatorname{Subst}\left (\int \frac{1}{4 a-4 b+4 c-x^2} \, dx,x,\frac{2 a-b-(-b+2 c) \cot ^2(d+e x)}{\sqrt{a+b \cot ^2(d+e x)+c \cot ^4(d+e x)}}\right )}{e}\\ &=\frac{\tanh ^{-1}\left (\frac{2 a-b+(b-2 c) \cot ^2(d+e x)}{2 \sqrt{a-b+c} \sqrt{a+b \cot ^2(d+e x)+c \cot ^4(d+e x)}}\right )}{2 \sqrt{a-b+c} e}\\ \end{align*}
Mathematica [C] time = 33.9262, size = 24736, normalized size = 313.11 \[ \text{Result too large to show} \]
Warning: Unable to verify antiderivative.
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Maple [A] time = 0.057, size = 102, normalized size = 1.3 \begin{align*}{\frac{1}{2\,e}\ln \left ({\frac{1}{ \left ( \cot \left ( ex+d \right ) \right ) ^{2}+1} \left ( 2\,a-2\,b+2\,c+ \left ( b-2\,c \right ) \left ( \left ( \cot \left ( ex+d \right ) \right ) ^{2}+1 \right ) +2\,\sqrt{a-b+c}\sqrt{ \left ( \left ( \cot \left ( ex+d \right ) \right ) ^{2}+1 \right ) ^{2}c+ \left ( b-2\,c \right ) \left ( \left ( \cot \left ( ex+d \right ) \right ) ^{2}+1 \right ) +a-b+c} \right ) } \right ){\frac{1}{\sqrt{a-b+c}}}} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\cot \left (e x + d\right )}{\sqrt{c \cot \left (e x + d\right )^{4} + b \cot \left (e x + d\right )^{2} + a}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] time = 3.20633, size = 1040, normalized size = 13.16 \begin{align*} \left [\frac{\log \left (2 \,{\left (a^{2} - 2 \, a b + b^{2} + 2 \,{\left (a - b\right )} c + c^{2}\right )} \cos \left (2 \, e x + 2 \, d\right )^{2} + 2 \, a^{2} - b^{2} + 2 \, c^{2} + 2 \,{\left ({\left (a - b + c\right )} \cos \left (2 \, e x + 2 \, d\right )^{2} -{\left (2 \, a - b\right )} \cos \left (2 \, e x + 2 \, d\right ) + a - c\right )} \sqrt{a - b + c} \sqrt{\frac{{\left (a - b + c\right )} \cos \left (2 \, e x + 2 \, d\right )^{2} - 2 \,{\left (a - c\right )} \cos \left (2 \, e x + 2 \, d\right ) + a + b + c}{\cos \left (2 \, e x + 2 \, d\right )^{2} - 2 \, \cos \left (2 \, e x + 2 \, d\right ) + 1}} - 4 \,{\left (a^{2} - a b + b c - c^{2}\right )} \cos \left (2 \, e x + 2 \, d\right )\right )}{4 \, \sqrt{a - b + c} e}, -\frac{\sqrt{-a + b - c} \arctan \left (\frac{{\left ({\left (a - b + c\right )} \cos \left (2 \, e x + 2 \, d\right )^{2} -{\left (2 \, a - b\right )} \cos \left (2 \, e x + 2 \, d\right ) + a - c\right )} \sqrt{-a + b - c} \sqrt{\frac{{\left (a - b + c\right )} \cos \left (2 \, e x + 2 \, d\right )^{2} - 2 \,{\left (a - c\right )} \cos \left (2 \, e x + 2 \, d\right ) + a + b + c}{\cos \left (2 \, e x + 2 \, d\right )^{2} - 2 \, \cos \left (2 \, e x + 2 \, d\right ) + 1}}}{{\left (a^{2} - 2 \, a b + b^{2} + 2 \,{\left (a - b\right )} c + c^{2}\right )} \cos \left (2 \, e x + 2 \, d\right )^{2} + a^{2} - b^{2} + 2 \, a c + c^{2} - 2 \,{\left (a^{2} - a b + b c - c^{2}\right )} \cos \left (2 \, e x + 2 \, d\right )}\right )}{2 \,{\left (a - b + c\right )} e}\right ] \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int \frac{\cot{\left (d + e x \right )}}{\sqrt{a + b \cot ^{2}{\left (d + e x \right )} + c \cot ^{4}{\left (d + e x \right )}}}\, dx \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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