Optimal. Leaf size=310 \[ \frac {\cos ^3(c+d x) (a \tan (c+d x)+b)}{3 d \left (a^2+b^2\right ) (a+b \tan (c+d x))^2}-\frac {\cos (c+d x) \left (b \left (2 a^2-5 b^2\right )-a \left (2 a^2+9 b^2\right ) \tan (c+d x)\right )}{3 d \left (a^2+b^2\right )^2 (a+b \tan (c+d x))^2}-\frac {5 b^4 \left (6 a^2-b^2\right ) \cos (c+d x) \sqrt {\sec ^2(c+d x)} \tanh ^{-1}\left (\frac {b-a \tan (c+d x)}{\sqrt {a^2+b^2} \sqrt {\sec ^2(c+d x)}}\right )}{2 d \left (a^2+b^2\right )^{9/2}}+\frac {a b \left (4 a^4+28 a^2 b^2-81 b^4\right ) \sec (c+d x)}{6 d \left (a^2+b^2\right )^4 (a+b \tan (c+d x))}+\frac {b \left (4 a^4+24 a^2 b^2-15 b^4\right ) \sec (c+d x)}{6 d \left (a^2+b^2\right )^3 (a+b \tan (c+d x))^2} \]
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Rubi [A] time = 0.38, antiderivative size = 310, normalized size of antiderivative = 1.00, number of steps used = 7, number of rules used = 7, integrand size = 21, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {3512, 741, 823, 835, 807, 725, 206} \[ \frac {\cos ^3(c+d x) (a \tan (c+d x)+b)}{3 d \left (a^2+b^2\right ) (a+b \tan (c+d x))^2}-\frac {\cos (c+d x) \left (b \left (2 a^2-5 b^2\right )-a \left (2 a^2+9 b^2\right ) \tan (c+d x)\right )}{3 d \left (a^2+b^2\right )^2 (a+b \tan (c+d x))^2}+\frac {a b \left (28 a^2 b^2+4 a^4-81 b^4\right ) \sec (c+d x)}{6 d \left (a^2+b^2\right )^4 (a+b \tan (c+d x))}+\frac {b \left (24 a^2 b^2+4 a^4-15 b^4\right ) \sec (c+d x)}{6 d \left (a^2+b^2\right )^3 (a+b \tan (c+d x))^2}-\frac {5 b^4 \left (6 a^2-b^2\right ) \cos (c+d x) \sqrt {\sec ^2(c+d x)} \tanh ^{-1}\left (\frac {b-a \tan (c+d x)}{\sqrt {a^2+b^2} \sqrt {\sec ^2(c+d x)}}\right )}{2 d \left (a^2+b^2\right )^{9/2}} \]
Antiderivative was successfully verified.
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Rule 206
Rule 725
Rule 741
Rule 807
Rule 823
Rule 835
Rule 3512
Rubi steps
\begin {align*} \int \frac {\cos ^3(c+d x)}{(a+b \tan (c+d x))^3} \, dx &=\frac {\left (\cos (c+d x) \sqrt {\sec ^2(c+d x)}\right ) \operatorname {Subst}\left (\int \frac {1}{(a+x)^3 \left (1+\frac {x^2}{b^2}\right )^{5/2}} \, dx,x,b \tan (c+d x)\right )}{b d}\\ &=\frac {\cos ^3(c+d x) (b+a \tan (c+d x))}{3 \left (a^2+b^2\right ) d (a+b \tan (c+d x))^2}-\frac {\left (b \cos (c+d x) \sqrt {\sec ^2(c+d x)}\right ) \operatorname {Subst}\left (\int \frac {-5-\frac {2 a^2}{b^2}-\frac {4 a x}{b^2}}{(a+x)^3 \left (1+\frac {x^2}{b^2}\right )^{3/2}} \, dx,x,b \tan (c+d x)\right )}{3 \left (a^2+b^2\right ) d}\\ &=\frac {\cos ^3(c+d x) (b+a \tan (c+d x))}{3 \left (a^2+b^2\right ) d (a+b \tan (c+d x))^2}-\frac {\cos (c+d x) \left (b \left (2 a^2-5 b^2\right )-a \left (2 a^2+9 b^2\right ) \tan (c+d x)\right )}{3 \left (a^2+b^2\right )^2 d (a+b \tan (c+d x))^2}+\frac {\left (b^5 \cos (c+d x) \sqrt {\sec ^2(c+d x)}\right ) \operatorname {Subst}\left (\int \frac {-\frac {3 \left (2 a^2-5 b^2\right )}{b^4}+\frac {2 a \left (2 a^2+9 b^2\right ) x}{b^6}}{(a+x)^3 \sqrt {1+\frac {x^2}{b^2}}} \, dx,x,b \tan (c+d x)\right )}{3 \left (a^2+b^2\right )^2 d}\\ &=\frac {b \left (4 a^4+24 a^2 b^2-15 b^4\right ) \sec (c+d x)}{6 \left (a^2+b^2\right )^3 d (a+b \tan (c+d x))^2}+\frac {\cos ^3(c+d x) (b+a \tan (c+d x))}{3 \left (a^2+b^2\right ) d (a+b \tan (c+d x))^2}-\frac {\cos (c+d x) \left (b \left (2 a^2-5 b^2\right )-a \left (2 a^2+9 b^2\right ) \tan (c+d x)\right )}{3 \left (a^2+b^2\right )^2 d (a+b \tan (c+d x))^2}-\frac {\left (b^7 \cos (c+d x) \sqrt {\sec ^2(c+d x)}\right ) \operatorname {Subst}\left (\int \frac {\frac {2 a \left (2 a^2-33 b^2\right )}{b^6}-\frac {\left (4 a^4+24 a^2 b^2-15 b^4\right ) x}{b^8}}{(a+x)^2 \sqrt {1+\frac {x^2}{b^2}}} \, dx,x,b \tan (c+d x)\right )}{6 \left (a^2+b^2\right )^3 d}\\ &=\frac {b \left (4 a^4+24 a^2 b^2-15 b^4\right ) \sec (c+d x)}{6 \left (a^2+b^2\right )^3 d (a+b \tan (c+d x))^2}+\frac {\cos ^3(c+d x) (b+a \tan (c+d x))}{3 \left (a^2+b^2\right ) d (a+b \tan (c+d x))^2}+\frac {a b \left (4 a^4+28 a^2 b^2-81 b^4\right ) \sec (c+d x)}{6 \left (a^2+b^2\right )^4 d (a+b \tan (c+d x))}-\frac {\cos (c+d x) \left (b \left (2 a^2-5 b^2\right )-a \left (2 a^2+9 b^2\right ) \tan (c+d x)\right )}{3 \left (a^2+b^2\right )^2 d (a+b \tan (c+d x))^2}+\frac {\left (5 b^3 \left (6 a^2-b^2\right ) \cos (c+d x) \sqrt {\sec ^2(c+d x)}\right ) \operatorname {Subst}\left (\int \frac {1}{(a+x) \sqrt {1+\frac {x^2}{b^2}}} \, dx,x,b \tan (c+d x)\right )}{2 \left (a^2+b^2\right )^4 d}\\ &=\frac {b \left (4 a^4+24 a^2 b^2-15 b^4\right ) \sec (c+d x)}{6 \left (a^2+b^2\right )^3 d (a+b \tan (c+d x))^2}+\frac {\cos ^3(c+d x) (b+a \tan (c+d x))}{3 \left (a^2+b^2\right ) d (a+b \tan (c+d x))^2}+\frac {a b \left (4 a^4+28 a^2 b^2-81 b^4\right ) \sec (c+d x)}{6 \left (a^2+b^2\right )^4 d (a+b \tan (c+d x))}-\frac {\cos (c+d x) \left (b \left (2 a^2-5 b^2\right )-a \left (2 a^2+9 b^2\right ) \tan (c+d x)\right )}{3 \left (a^2+b^2\right )^2 d (a+b \tan (c+d x))^2}-\frac {\left (5 b^3 \left (6 a^2-b^2\right ) \cos (c+d x) \sqrt {\sec ^2(c+d x)}\right ) \operatorname {Subst}\left (\int \frac {1}{1+\frac {a^2}{b^2}-x^2} \, dx,x,\frac {1-\frac {a \tan (c+d x)}{b}}{\sqrt {\sec ^2(c+d x)}}\right )}{2 \left (a^2+b^2\right )^4 d}\\ &=-\frac {5 b^4 \left (6 a^2-b^2\right ) \tanh ^{-1}\left (\frac {b \left (1-\frac {a \tan (c+d x)}{b}\right )}{\sqrt {a^2+b^2} \sqrt {\sec ^2(c+d x)}}\right ) \cos (c+d x) \sqrt {\sec ^2(c+d x)}}{2 \left (a^2+b^2\right )^{9/2} d}+\frac {b \left (4 a^4+24 a^2 b^2-15 b^4\right ) \sec (c+d x)}{6 \left (a^2+b^2\right )^3 d (a+b \tan (c+d x))^2}+\frac {\cos ^3(c+d x) (b+a \tan (c+d x))}{3 \left (a^2+b^2\right ) d (a+b \tan (c+d x))^2}+\frac {a b \left (4 a^4+28 a^2 b^2-81 b^4\right ) \sec (c+d x)}{6 \left (a^2+b^2\right )^4 d (a+b \tan (c+d x))}-\frac {\cos (c+d x) \left (b \left (2 a^2-5 b^2\right )-a \left (2 a^2+9 b^2\right ) \tan (c+d x)\right )}{3 \left (a^2+b^2\right )^2 d (a+b \tan (c+d x))^2}\\ \end {align*}
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Mathematica [A] time = 2.00, size = 371, normalized size = 1.20 \[ \frac {\sec ^2(c+d x) (a \cos (c+d x)+b \sin (c+d x)) \left (-\frac {b \left (b^2-3 a^2\right ) \cos (c+d x) \cos (3 (c+d x)) (a+b \tan (c+d x))^2}{\left (a^2+b^2\right )^3}+\frac {a \left (a^2-3 b^2\right ) \sin (3 (c+d x)) \cos (c+d x) (a+b \tan (c+d x))^2}{\left (a^2+b^2\right )^3}+\frac {6 b^6 \tan (c+d x)}{a \left (a^2+b^2\right )^3}-\frac {6 b^5 \left (12 a^2+b^2\right ) (a+b \tan (c+d x))}{a \left (a^2+b^2\right )^4}-\frac {60 b^4 \left (b^2-6 a^2\right ) \cos (c+d x) (a+b \tan (c+d x))^2 \tanh ^{-1}\left (\frac {a \tan \left (\frac {1}{2} (c+d x)\right )-b}{\sqrt {a^2+b^2}}\right )}{\left (a^2+b^2\right )^{9/2}}+\frac {9 b \left (a^4+14 a^2 b^2-3 b^4\right ) (a \cos (c+d x)+b \sin (c+d x))^2}{\left (a^2+b^2\right )^4}+\frac {9 a \left (a^4+6 a^2 b^2-11 b^4\right ) \tan (c+d x) (a \cos (c+d x)+b \sin (c+d x))^2}{\left (a^2+b^2\right )^4}\right )}{12 d (a+b \tan (c+d x))^3} \]
Antiderivative was successfully verified.
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fricas [B] time = 0.84, size = 619, normalized size = 2.00 \[ \frac {4 \, {\left (a^{8} b + 4 \, a^{6} b^{3} + 6 \, a^{4} b^{5} + 4 \, a^{2} b^{7} + b^{9}\right )} \cos \left (d x + c\right )^{5} - 4 \, {\left (2 \, a^{8} b + a^{6} b^{3} - 9 \, a^{4} b^{5} - 13 \, a^{2} b^{7} - 5 \, b^{9}\right )} \cos \left (d x + c\right )^{3} - 15 \, {\left (6 \, a^{2} b^{6} - b^{8} + {\left (6 \, a^{4} b^{4} - 7 \, a^{2} b^{6} + b^{8}\right )} \cos \left (d x + c\right )^{2} + 2 \, {\left (6 \, a^{3} b^{5} - a b^{7}\right )} \cos \left (d x + c\right ) \sin \left (d x + c\right )\right )} \sqrt {a^{2} + b^{2}} \log \left (\frac {2 \, a b \cos \left (d x + c\right ) \sin \left (d x + c\right ) + {\left (a^{2} - b^{2}\right )} \cos \left (d x + c\right )^{2} - 2 \, a^{2} - b^{2} - 2 \, \sqrt {a^{2} + b^{2}} {\left (b \cos \left (d x + c\right ) - a \sin \left (d x + c\right )\right )}}{2 \, a b \cos \left (d x + c\right ) \sin \left (d x + c\right ) + {\left (a^{2} - b^{2}\right )} \cos \left (d x + c\right )^{2} + b^{2}}\right ) + 2 \, {\left (8 \, a^{8} b + 64 \, a^{6} b^{3} - 16 \, a^{4} b^{5} - 87 \, a^{2} b^{7} - 15 \, b^{9}\right )} \cos \left (d x + c\right ) + 2 \, {\left (4 \, a^{7} b^{2} + 32 \, a^{5} b^{4} - 53 \, a^{3} b^{6} - 81 \, a b^{8} + 2 \, {\left (a^{9} + 4 \, a^{7} b^{2} + 6 \, a^{5} b^{4} + 4 \, a^{3} b^{6} + a b^{8}\right )} \cos \left (d x + c\right )^{4} + 2 \, {\left (2 \, a^{9} + 15 \, a^{7} b^{2} + 33 \, a^{5} b^{4} + 29 \, a^{3} b^{6} + 9 \, a b^{8}\right )} \cos \left (d x + c\right )^{2}\right )} \sin \left (d x + c\right )}{12 \, {\left ({\left (a^{12} + 4 \, a^{10} b^{2} + 5 \, a^{8} b^{4} - 5 \, a^{4} b^{8} - 4 \, a^{2} b^{10} - b^{12}\right )} d \cos \left (d x + c\right )^{2} + 2 \, {\left (a^{11} b + 5 \, a^{9} b^{3} + 10 \, a^{7} b^{5} + 10 \, a^{5} b^{7} + 5 \, a^{3} b^{9} + a b^{11}\right )} d \cos \left (d x + c\right ) \sin \left (d x + c\right ) + {\left (a^{10} b^{2} + 5 \, a^{8} b^{4} + 10 \, a^{6} b^{6} + 10 \, a^{4} b^{8} + 5 \, a^{2} b^{10} + b^{12}\right )} d\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [B] time = 4.34, size = 640, normalized size = 2.06 \[ -\frac {\frac {15 \, {\left (6 \, a^{2} b^{4} - b^{6}\right )} \log \left (\frac {{\left | 2 \, a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 2 \, b - 2 \, \sqrt {a^{2} + b^{2}} \right |}}{{\left | 2 \, a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 2 \, b + 2 \, \sqrt {a^{2} + b^{2}} \right |}}\right )}{{\left (a^{8} + 4 \, a^{6} b^{2} + 6 \, a^{4} b^{4} + 4 \, a^{2} b^{6} + b^{8}\right )} \sqrt {a^{2} + b^{2}}} - \frac {6 \, {\left (13 \, a^{3} b^{6} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} + 2 \, a b^{8} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} + 12 \, a^{4} b^{5} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} - 23 \, a^{2} b^{7} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} - 2 \, b^{9} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} - 35 \, a^{3} b^{6} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 2 \, a b^{8} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 12 \, a^{4} b^{5} - a^{2} b^{7}\right )}}{{\left (a^{10} + 4 \, a^{8} b^{2} + 6 \, a^{6} b^{4} + 4 \, a^{4} b^{6} + a^{2} b^{8}\right )} {\left (a \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} - 2 \, b \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - a\right )}^{2}} - \frac {4 \, {\left (3 \, a^{5} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{5} + 12 \, a^{3} b^{2} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{5} - 27 \, a b^{4} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{5} + 9 \, a^{4} b \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{4} + 36 \, a^{2} b^{3} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{4} - 9 \, b^{5} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{4} + 2 \, a^{5} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} + 32 \, a^{3} b^{2} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} - 42 \, a b^{4} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{3} + 60 \, a^{2} b^{3} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} - 12 \, b^{5} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} + 3 \, a^{5} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + 12 \, a^{3} b^{2} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) - 27 \, a b^{4} \tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right ) + 3 \, a^{4} b + 32 \, a^{2} b^{3} - 7 \, b^{5}\right )}}{{\left (a^{8} + 4 \, a^{6} b^{2} + 6 \, a^{4} b^{4} + 4 \, a^{2} b^{6} + b^{8}\right )} {\left (\tan \left (\frac {1}{2} \, d x + \frac {1}{2} \, c\right )^{2} + 1\right )}^{3}}}{6 \, d} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.56, size = 457, normalized size = 1.47 \[ \frac {-\frac {2 b^{4} \left (\frac {-\frac {b^{2} \left (13 a^{2}+2 b^{2}\right ) \left (\tan ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{2 a}-\frac {b \left (12 a^{4}-23 a^{2} b^{2}-2 b^{4}\right ) \left (\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )}{2 a^{2}}+\frac {b^{2} \left (35 a^{2}+2 b^{2}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )}{2 a}+6 a^{2} b +\frac {b^{3}}{2}}{\left (a \left (\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )-2 \tan \left (\frac {d x}{2}+\frac {c}{2}\right ) b -a \right )^{2}}-\frac {5 \left (6 a^{2}-b^{2}\right ) \arctanh \left (\frac {2 a \tan \left (\frac {d x}{2}+\frac {c}{2}\right )-2 b}{2 \sqrt {a^{2}+b^{2}}}\right )}{2 \sqrt {a^{2}+b^{2}}}\right )}{\left (a^{2}+b^{2}\right ) \left (a^{6}+3 b^{2} a^{4}+3 b^{4} a^{2}+b^{6}\right )}-\frac {2 \left (\left (-a^{5}-4 b^{2} a^{3}+9 a \,b^{4}\right ) \left (\tan ^{5}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+\left (-3 a^{4} b -12 a^{2} b^{3}+3 b^{5}\right ) \left (\tan ^{4}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+\left (-\frac {2}{3} a^{5}-\frac {32}{3} b^{2} a^{3}+14 a \,b^{4}\right ) \left (\tan ^{3}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+\left (-20 a^{2} b^{3}+4 b^{5}\right ) \left (\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )+\left (-a^{5}-4 b^{2} a^{3}+9 a \,b^{4}\right ) \tan \left (\frac {d x}{2}+\frac {c}{2}\right )-a^{4} b -\frac {32 a^{2} b^{3}}{3}+\frac {7 b^{5}}{3}\right )}{\left (a^{6}+3 b^{2} a^{4}+3 b^{4} a^{2}+b^{6}\right ) \left (a^{2}+b^{2}\right ) \left (1+\tan ^{2}\left (\frac {d x}{2}+\frac {c}{2}\right )\right )^{3}}}{d} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [B] time = 0.54, size = 1229, normalized size = 3.96 \[ \text {result too large to display} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 8.83, size = 1128, normalized size = 3.64 \[ \text {result too large to display} \]
Verification of antiderivative is not currently implemented for this CAS.
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sympy [F(-1)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Timed out} \]
Verification of antiderivative is not currently implemented for this CAS.
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