Optimal. Leaf size=76 \[ \frac {\sin (c+d x) \sqrt {\sec (c+d x)}}{b d \sqrt {b \sec (c+d x)}}-\frac {\sin ^3(c+d x) \sqrt {\sec (c+d x)}}{3 b d \sqrt {b \sec (c+d x)}} \]
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Rubi [A] time = 0.02, antiderivative size = 76, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 2, integrand size = 23, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.087, Rules used = {18, 2633} \[ \frac {\sin (c+d x) \sqrt {\sec (c+d x)}}{b d \sqrt {b \sec (c+d x)}}-\frac {\sin ^3(c+d x) \sqrt {\sec (c+d x)}}{3 b d \sqrt {b \sec (c+d x)}} \]
Antiderivative was successfully verified.
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Rule 18
Rule 2633
Rubi steps
\begin {align*} \int \frac {1}{\sec ^{\frac {3}{2}}(c+d x) (b \sec (c+d x))^{3/2}} \, dx &=\frac {\sqrt {\sec (c+d x)} \int \cos ^3(c+d x) \, dx}{b \sqrt {b \sec (c+d x)}}\\ &=-\frac {\sqrt {\sec (c+d x)} \operatorname {Subst}\left (\int \left (1-x^2\right ) \, dx,x,-\sin (c+d x)\right )}{b d \sqrt {b \sec (c+d x)}}\\ &=\frac {\sqrt {\sec (c+d x)} \sin (c+d x)}{b d \sqrt {b \sec (c+d x)}}-\frac {\sqrt {\sec (c+d x)} \sin ^3(c+d x)}{3 b d \sqrt {b \sec (c+d x)}}\\ \end {align*}
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Mathematica [A] time = 0.10, size = 45, normalized size = 0.59 \[ \frac {\sin (c+d x) (\cos (2 (c+d x))+5) \sec ^{\frac {3}{2}}(c+d x)}{6 d (b \sec (c+d x))^{3/2}} \]
Antiderivative was successfully verified.
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fricas [A] time = 0.71, size = 51, normalized size = 0.67 \[ \frac {{\left (\cos \left (d x + c\right )^{3} + 2 \, \cos \left (d x + c\right )\right )} \sqrt {\frac {b}{\cos \left (d x + c\right )}} \sin \left (d x + c\right )}{3 \, b^{2} d \sqrt {\cos \left (d x + c\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [F] time = 0.00, size = 0, normalized size = 0.00 \[ \int \frac {1}{\left (b \sec \left (d x + c\right )\right )^{\frac {3}{2}} \sec \left (d x + c\right )^{\frac {3}{2}}}\,{d x} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 1.02, size = 52, normalized size = 0.68 \[ \frac {\sin \left (d x +c \right ) \left (2+\cos ^{2}\left (d x +c \right )\right )}{3 d \cos \left (d x +c \right )^{3} \left (\frac {1}{\cos \left (d x +c \right )}\right )^{\frac {3}{2}} \left (\frac {b}{\cos \left (d x +c \right )}\right )^{\frac {3}{2}}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 0.72, size = 42, normalized size = 0.55 \[ \frac {\sin \left (3 \, d x + 3 \, c\right ) + 9 \, \sin \left (\frac {1}{3} \, \arctan \left (\sin \left (3 \, d x + 3 \, c\right ), \cos \left (3 \, d x + 3 \, c\right )\right )\right )}{12 \, b^{\frac {3}{2}} d} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 0.33, size = 48, normalized size = 0.63 \[ \frac {\left (9\,\sin \left (c+d\,x\right )+\sin \left (3\,c+3\,d\,x\right )\right )\,\sqrt {\frac {b}{\cos \left (c+d\,x\right )}}}{12\,b^2\,d\,\sqrt {\frac {1}{\cos \left (c+d\,x\right )}}} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [A] time = 121.59, size = 65, normalized size = 0.86 \[ \begin {cases} \frac {2 \tan ^{3}{\left (c + d x \right )}}{3 b^{\frac {3}{2}} d \sec ^{3}{\left (c + d x \right )}} + \frac {\tan {\left (c + d x \right )}}{b^{\frac {3}{2}} d \sec ^{3}{\left (c + d x \right )}} & \text {for}\: d \neq 0 \\\frac {x}{\left (b \sec {\relax (c )}\right )^{\frac {3}{2}} \sec ^{\frac {3}{2}}{\relax (c )}} & \text {otherwise} \end {cases} \]
Verification of antiderivative is not currently implemented for this CAS.
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