Optimal. Leaf size=88 \[ -\frac {x \left (8 a^2+20 a b+15 b^2\right )}{8 b^3}-\frac {(a+b)^{5/2} \tan ^{-1}\left (\frac {\sqrt {a+b} \cot (x)}{\sqrt {a}}\right )}{\sqrt {a} b^3}+\frac {(4 a+7 b) \sin (x) \cos (x)}{8 b^2}+\frac {\sin ^3(x) \cos (x)}{4 b} \]
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Rubi [A] time = 0.18, antiderivative size = 88, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 6, integrand size = 15, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.400, Rules used = {3191, 414, 527, 522, 203, 205} \[ -\frac {x \left (8 a^2+20 a b+15 b^2\right )}{8 b^3}+\frac {(4 a+7 b) \sin (x) \cos (x)}{8 b^2}-\frac {(a+b)^{5/2} \tan ^{-1}\left (\frac {\sqrt {a+b} \cot (x)}{\sqrt {a}}\right )}{\sqrt {a} b^3}+\frac {\sin ^3(x) \cos (x)}{4 b} \]
Antiderivative was successfully verified.
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Rule 203
Rule 205
Rule 414
Rule 522
Rule 527
Rule 3191
Rubi steps
\begin {align*} \int \frac {\sin ^6(x)}{a+b \cos ^2(x)} \, dx &=-\operatorname {Subst}\left (\int \frac {1}{\left (1+x^2\right )^3 \left (a+(a+b) x^2\right )} \, dx,x,\cot (x)\right )\\ &=\frac {\cos (x) \sin ^3(x)}{4 b}-\frac {\operatorname {Subst}\left (\int \frac {a+4 b-3 (a+b) x^2}{\left (1+x^2\right )^2 \left (a+(a+b) x^2\right )} \, dx,x,\cot (x)\right )}{4 b}\\ &=\frac {(4 a+7 b) \cos (x) \sin (x)}{8 b^2}+\frac {\cos (x) \sin ^3(x)}{4 b}-\frac {\operatorname {Subst}\left (\int \frac {4 a^2+9 a b+8 b^2-(a+b) (4 a+7 b) x^2}{\left (1+x^2\right ) \left (a+(a+b) x^2\right )} \, dx,x,\cot (x)\right )}{8 b^2}\\ &=\frac {(4 a+7 b) \cos (x) \sin (x)}{8 b^2}+\frac {\cos (x) \sin ^3(x)}{4 b}-\frac {(a+b)^3 \operatorname {Subst}\left (\int \frac {1}{a+(a+b) x^2} \, dx,x,\cot (x)\right )}{b^3}+\frac {\left (8 a^2+20 a b+15 b^2\right ) \operatorname {Subst}\left (\int \frac {1}{1+x^2} \, dx,x,\cot (x)\right )}{8 b^3}\\ &=-\frac {\left (8 a^2+20 a b+15 b^2\right ) x}{8 b^3}-\frac {(a+b)^{5/2} \tan ^{-1}\left (\frac {\sqrt {a+b} \cot (x)}{\sqrt {a}}\right )}{\sqrt {a} b^3}+\frac {(4 a+7 b) \cos (x) \sin (x)}{8 b^2}+\frac {\cos (x) \sin ^3(x)}{4 b}\\ \end {align*}
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Mathematica [A] time = 0.20, size = 77, normalized size = 0.88 \[ \frac {-4 x \left (8 a^2+20 a b+15 b^2\right )+8 b (a+2 b) \sin (2 x)+\frac {32 (a+b)^{5/2} \tan ^{-1}\left (\frac {\sqrt {a} \tan (x)}{\sqrt {a+b}}\right )}{\sqrt {a}}-b^2 \sin (4 x)}{32 b^3} \]
Antiderivative was successfully verified.
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fricas [A] time = 2.47, size = 285, normalized size = 3.24 \[ \left [\frac {2 \, {\left (a^{2} + 2 \, a b + b^{2}\right )} \sqrt {-\frac {a + b}{a}} \log \left (\frac {{\left (8 \, a^{2} + 8 \, a b + b^{2}\right )} \cos \relax (x)^{4} - 2 \, {\left (4 \, a^{2} + 3 \, a b\right )} \cos \relax (x)^{2} - 4 \, {\left ({\left (2 \, a^{2} + a b\right )} \cos \relax (x)^{3} - a^{2} \cos \relax (x)\right )} \sqrt {-\frac {a + b}{a}} \sin \relax (x) + a^{2}}{b^{2} \cos \relax (x)^{4} + 2 \, a b \cos \relax (x)^{2} + a^{2}}\right ) - {\left (8 \, a^{2} + 20 \, a b + 15 \, b^{2}\right )} x - {\left (2 \, b^{2} \cos \relax (x)^{3} - {\left (4 \, a b + 9 \, b^{2}\right )} \cos \relax (x)\right )} \sin \relax (x)}{8 \, b^{3}}, -\frac {4 \, {\left (a^{2} + 2 \, a b + b^{2}\right )} \sqrt {\frac {a + b}{a}} \arctan \left (\frac {{\left ({\left (2 \, a + b\right )} \cos \relax (x)^{2} - a\right )} \sqrt {\frac {a + b}{a}}}{2 \, {\left (a + b\right )} \cos \relax (x) \sin \relax (x)}\right ) + {\left (8 \, a^{2} + 20 \, a b + 15 \, b^{2}\right )} x + {\left (2 \, b^{2} \cos \relax (x)^{3} - {\left (4 \, a b + 9 \, b^{2}\right )} \cos \relax (x)\right )} \sin \relax (x)}{8 \, b^{3}}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.61, size = 119, normalized size = 1.35 \[ -\frac {{\left (8 \, a^{2} + 20 \, a b + 15 \, b^{2}\right )} x}{8 \, b^{3}} + \frac {{\left (a^{3} + 3 \, a^{2} b + 3 \, a b^{2} + b^{3}\right )} {\left (\pi \left \lfloor \frac {x}{\pi } + \frac {1}{2} \right \rfloor \mathrm {sgn}\relax (a) + \arctan \left (\frac {a \tan \relax (x)}{\sqrt {a^{2} + a b}}\right )\right )}}{\sqrt {a^{2} + a b} b^{3}} + \frac {4 \, a \tan \relax (x)^{3} + 9 \, b \tan \relax (x)^{3} + 4 \, a \tan \relax (x) + 7 \, b \tan \relax (x)}{8 \, {\left (\tan \relax (x)^{2} + 1\right )}^{2} b^{2}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [B] time = 0.09, size = 194, normalized size = 2.20 \[ \frac {\arctan \left (\frac {a \tan \relax (x )}{\sqrt {\left (a +b \right ) a}}\right ) a^{3}}{b^{3} \sqrt {\left (a +b \right ) a}}+\frac {3 \arctan \left (\frac {a \tan \relax (x )}{\sqrt {\left (a +b \right ) a}}\right ) a^{2}}{b^{2} \sqrt {\left (a +b \right ) a}}+\frac {3 \arctan \left (\frac {a \tan \relax (x )}{\sqrt {\left (a +b \right ) a}}\right ) a}{b \sqrt {\left (a +b \right ) a}}+\frac {\arctan \left (\frac {a \tan \relax (x )}{\sqrt {\left (a +b \right ) a}}\right )}{\sqrt {\left (a +b \right ) a}}+\frac {\left (\tan ^{3}\relax (x )\right ) a}{2 b^{2} \left (\tan ^{2}\relax (x )+1\right )^{2}}+\frac {9 \left (\tan ^{3}\relax (x )\right )}{8 b \left (\tan ^{2}\relax (x )+1\right )^{2}}+\frac {\tan \relax (x ) a}{2 b^{2} \left (\tan ^{2}\relax (x )+1\right )^{2}}+\frac {7 \tan \relax (x )}{8 b \left (\tan ^{2}\relax (x )+1\right )^{2}}-\frac {\arctan \left (\tan \relax (x )\right ) a^{2}}{b^{3}}-\frac {5 \arctan \left (\tan \relax (x )\right ) a}{2 b^{2}}-\frac {15 \arctan \left (\tan \relax (x )\right )}{8 b} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [A] time = 1.03, size = 112, normalized size = 1.27 \[ \frac {{\left (4 \, a + 9 \, b\right )} \tan \relax (x)^{3} + {\left (4 \, a + 7 \, b\right )} \tan \relax (x)}{8 \, {\left (b^{2} \tan \relax (x)^{4} + 2 \, b^{2} \tan \relax (x)^{2} + b^{2}\right )}} - \frac {{\left (8 \, a^{2} + 20 \, a b + 15 \, b^{2}\right )} x}{8 \, b^{3}} + \frac {{\left (a^{3} + 3 \, a^{2} b + 3 \, a b^{2} + b^{3}\right )} \arctan \left (\frac {a \tan \relax (x)}{\sqrt {{\left (a + b\right )} a}}\right )}{\sqrt {{\left (a + b\right )} a} b^{3}} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 2.68, size = 681, normalized size = 7.74 \[ \frac {\frac {{\mathrm {tan}\relax (x)}^3\,\left (4\,a+9\,b\right )}{8\,b^2}+\frac {\mathrm {tan}\relax (x)\,\left (4\,a+7\,b\right )}{8\,b^2}}{{\mathrm {tan}\relax (x)}^4+2\,{\mathrm {tan}\relax (x)}^2+1}-\frac {\mathrm {atanh}\left (\frac {95\,a^2\,\mathrm {tan}\relax (x)\,\sqrt {-a^6-5\,a^5\,b-10\,a^4\,b^2-10\,a^3\,b^3-5\,a^2\,b^4-a\,b^5}}{32\,\left (2\,a\,b^4+\frac {469\,a^4\,b}{32}+\frac {215\,a^5}{32}+\frac {287\,a^2\,b^3}{32}+\frac {517\,a^3\,b^2}{32}+\frac {5\,a^6}{4\,b}\right )}+\frac {5\,a^3\,\mathrm {tan}\relax (x)\,\sqrt {-a^6-5\,a^5\,b-10\,a^4\,b^2-10\,a^3\,b^3-5\,a^2\,b^4-a\,b^5}}{4\,\left (\frac {5\,a^6}{4}+\frac {215\,a^5\,b}{32}+\frac {469\,a^4\,b^2}{32}+\frac {517\,a^3\,b^3}{32}+\frac {287\,a^2\,b^4}{32}+2\,a\,b^5\right )}+\frac {2\,a\,\mathrm {tan}\relax (x)\,\sqrt {-a^6-5\,a^5\,b-10\,a^4\,b^2-10\,a^3\,b^3-5\,a^2\,b^4-a\,b^5}}{2\,a\,b^3+\frac {517\,a^3\,b}{32}+\frac {469\,a^4}{32}+\frac {287\,a^2\,b^2}{32}+\frac {215\,a^5}{32\,b}+\frac {5\,a^6}{4\,b^2}}\right )\,\sqrt {-a\,{\left (a+b\right )}^5}}{a\,b^3}+\frac {\mathrm {atan}\left (\frac {5717\,a^3\,\mathrm {tan}\relax (x)}{256\,\left (\frac {15\,a\,b^2}{4}+\frac {3665\,a^2\,b}{256}+\frac {5717\,a^3}{256}+\frac {1143\,a^4}{64\,b}+\frac {235\,a^5}{32\,b^2}+\frac {5\,a^6}{4\,b^3}\right )}+\frac {3665\,a^2\,\mathrm {tan}\relax (x)}{256\,\left (\frac {15\,a\,b}{4}+\frac {3665\,a^2}{256}+\frac {5717\,a^3}{256\,b}+\frac {1143\,a^4}{64\,b^2}+\frac {235\,a^5}{32\,b^3}+\frac {5\,a^6}{4\,b^4}\right )}+\frac {1143\,a^4\,\mathrm {tan}\relax (x)}{64\,\left (\frac {15\,a\,b^3}{4}+\frac {5717\,a^3\,b}{256}+\frac {1143\,a^4}{64}+\frac {3665\,a^2\,b^2}{256}+\frac {235\,a^5}{32\,b}+\frac {5\,a^6}{4\,b^2}\right )}+\frac {235\,a^5\,\mathrm {tan}\relax (x)}{32\,\left (\frac {15\,a\,b^4}{4}+\frac {1143\,a^4\,b}{64}+\frac {235\,a^5}{32}+\frac {3665\,a^2\,b^3}{256}+\frac {5717\,a^3\,b^2}{256}+\frac {5\,a^6}{4\,b}\right )}+\frac {5\,a^6\,\mathrm {tan}\relax (x)}{4\,\left (\frac {5\,a^6}{4}+\frac {235\,a^5\,b}{32}+\frac {1143\,a^4\,b^2}{64}+\frac {5717\,a^3\,b^3}{256}+\frac {3665\,a^2\,b^4}{256}+\frac {15\,a\,b^5}{4}\right )}+\frac {15\,a\,b\,\mathrm {tan}\relax (x)}{4\,\left (\frac {15\,a\,b}{4}+\frac {3665\,a^2}{256}+\frac {5717\,a^3}{256\,b}+\frac {1143\,a^4}{64\,b^2}+\frac {235\,a^5}{32\,b^3}+\frac {5\,a^6}{4\,b^4}\right )}\right )\,\left (a^2\,8{}\mathrm {i}+a\,b\,20{}\mathrm {i}+b^2\,15{}\mathrm {i}\right )\,1{}\mathrm {i}}{8\,b^3} \]
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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