Optimal. Leaf size=128 \[ \frac {\left (-2 a c+b^2-2 c^2\right ) \tanh ^{-1}\left (\frac {b+2 c \sin (x)}{\sqrt {b^2-4 a c}}\right )}{(a-b+c) (a+b+c) \sqrt {b^2-4 a c}}-\frac {b \log \left (a+b \sin (x)+c \sin ^2(x)\right )}{2 (a-b+c) (a+b+c)}-\frac {\log (1-\sin (x))}{2 (a+b+c)}+\frac {\log (\sin (x)+1)}{2 (a-b+c)} \]
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Rubi [A] time = 0.17, antiderivative size = 128, normalized size of antiderivative = 1.00, number of steps used = 9, number of rules used = 8, integrand size = 17, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.471, Rules used = {3258, 981, 634, 618, 206, 628, 633, 31} \[ \frac {\left (-2 a c+b^2-2 c^2\right ) \tanh ^{-1}\left (\frac {b+2 c \sin (x)}{\sqrt {b^2-4 a c}}\right )}{(a-b+c) (a+b+c) \sqrt {b^2-4 a c}}-\frac {b \log \left (a+b \sin (x)+c \sin ^2(x)\right )}{2 (a-b+c) (a+b+c)}-\frac {\log (1-\sin (x))}{2 (a+b+c)}+\frac {\log (\sin (x)+1)}{2 (a-b+c)} \]
Antiderivative was successfully verified.
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Rule 31
Rule 206
Rule 618
Rule 628
Rule 633
Rule 634
Rule 981
Rule 3258
Rubi steps
\begin {align*} \int \frac {\sec (x)}{a+b \sin (x)+c \sin ^2(x)} \, dx &=\operatorname {Subst}\left (\int \frac {1}{\left (1-x^2\right ) \left (a+b x+c x^2\right )} \, dx,x,\sin (x)\right )\\ &=-\frac {\operatorname {Subst}\left (\int \frac {-a-c+b x}{1-x^2} \, dx,x,\sin (x)\right )}{(a-b+c) (a+b+c)}+\frac {\operatorname {Subst}\left (\int \frac {-b^2+a c+c^2-b c x}{a+b x+c x^2} \, dx,x,\sin (x)\right )}{(a-b+c) (a+b+c)}\\ &=-\frac {\operatorname {Subst}\left (\int \frac {1}{-1-x} \, dx,x,\sin (x)\right )}{2 (a-b+c)}+\frac {\operatorname {Subst}\left (\int \frac {1}{1-x} \, dx,x,\sin (x)\right )}{2 (a+b+c)}-\frac {b \operatorname {Subst}\left (\int \frac {b+2 c x}{a+b x+c x^2} \, dx,x,\sin (x)\right )}{2 (a-b+c) (a+b+c)}-\frac {\left (b^2-2 c (a+c)\right ) \operatorname {Subst}\left (\int \frac {1}{a+b x+c x^2} \, dx,x,\sin (x)\right )}{2 (a-b+c) (a+b+c)}\\ &=-\frac {\log (1-\sin (x))}{2 (a+b+c)}+\frac {\log (1+\sin (x))}{2 (a-b+c)}-\frac {b \log \left (a+b \sin (x)+c \sin ^2(x)\right )}{2 (a-b+c) (a+b+c)}+\frac {\left (b^2-2 c (a+c)\right ) \operatorname {Subst}\left (\int \frac {1}{b^2-4 a c-x^2} \, dx,x,b+2 c \sin (x)\right )}{(a-b+c) (a+b+c)}\\ &=\frac {\left (b^2-2 c (a+c)\right ) \tanh ^{-1}\left (\frac {b+2 c \sin (x)}{\sqrt {b^2-4 a c}}\right )}{(a-b+c) (a+b+c) \sqrt {b^2-4 a c}}-\frac {\log (1-\sin (x))}{2 (a+b+c)}+\frac {\log (1+\sin (x))}{2 (a-b+c)}-\frac {b \log \left (a+b \sin (x)+c \sin ^2(x)\right )}{2 (a-b+c) (a+b+c)}\\ \end {align*}
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Mathematica [A] time = 0.24, size = 119, normalized size = 0.93 \[ -\frac {\sqrt {b^2-4 a c} \left (b \log \left (a+b \sin (x)+c \sin ^2(x)\right )+(a-b+c) \log (1-\sin (x))-(a+b+c) \log (\sin (x)+1)\right )+\left (4 c (a+c)-2 b^2\right ) \tanh ^{-1}\left (\frac {b+2 c \sin (x)}{\sqrt {b^2-4 a c}}\right )}{2 (a-b+c) (a+b+c) \sqrt {b^2-4 a c}} \]
Antiderivative was successfully verified.
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fricas [A] time = 1.29, size = 482, normalized size = 3.77 \[ \left [-\frac {{\left (b^{2} - 2 \, a c - 2 \, c^{2}\right )} \sqrt {b^{2} - 4 \, a c} \log \left (-\frac {2 \, c^{2} \cos \relax (x)^{2} - 2 \, b c \sin \relax (x) - b^{2} + 2 \, a c - 2 \, c^{2} + \sqrt {b^{2} - 4 \, a c} {\left (2 \, c \sin \relax (x) + b\right )}}{c \cos \relax (x)^{2} - b \sin \relax (x) - a - c}\right ) + {\left (b^{3} - 4 \, a b c\right )} \log \left (-c \cos \relax (x)^{2} + b \sin \relax (x) + a + c\right ) - {\left (a b^{2} + b^{3} - 4 \, a c^{2} - {\left (4 \, a^{2} + 4 \, a b - b^{2}\right )} c\right )} \log \left (\sin \relax (x) + 1\right ) + {\left (a b^{2} - b^{3} - 4 \, a c^{2} - {\left (4 \, a^{2} - 4 \, a b - b^{2}\right )} c\right )} \log \left (-\sin \relax (x) + 1\right )}{2 \, {\left (a^{2} b^{2} - b^{4} - 4 \, a c^{3} - {\left (8 \, a^{2} - b^{2}\right )} c^{2} - 2 \, {\left (2 \, a^{3} - 3 \, a b^{2}\right )} c\right )}}, \frac {2 \, {\left (b^{2} - 2 \, a c - 2 \, c^{2}\right )} \sqrt {-b^{2} + 4 \, a c} \arctan \left (-\frac {\sqrt {-b^{2} + 4 \, a c} {\left (2 \, c \sin \relax (x) + b\right )}}{b^{2} - 4 \, a c}\right ) - {\left (b^{3} - 4 \, a b c\right )} \log \left (-c \cos \relax (x)^{2} + b \sin \relax (x) + a + c\right ) + {\left (a b^{2} + b^{3} - 4 \, a c^{2} - {\left (4 \, a^{2} + 4 \, a b - b^{2}\right )} c\right )} \log \left (\sin \relax (x) + 1\right ) - {\left (a b^{2} - b^{3} - 4 \, a c^{2} - {\left (4 \, a^{2} - 4 \, a b - b^{2}\right )} c\right )} \log \left (-\sin \relax (x) + 1\right )}{2 \, {\left (a^{2} b^{2} - b^{4} - 4 \, a c^{3} - {\left (8 \, a^{2} - b^{2}\right )} c^{2} - 2 \, {\left (2 \, a^{3} - 3 \, a b^{2}\right )} c\right )}}\right ] \]
Verification of antiderivative is not currently implemented for this CAS.
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giac [A] time = 1.23, size = 131, normalized size = 1.02 \[ -\frac {b \log \left (c \sin \relax (x)^{2} + b \sin \relax (x) + a\right )}{2 \, {\left (a^{2} - b^{2} + 2 \, a c + c^{2}\right )}} - \frac {{\left (b^{2} - 2 \, a c - 2 \, c^{2}\right )} \arctan \left (\frac {2 \, c \sin \relax (x) + b}{\sqrt {-b^{2} + 4 \, a c}}\right )}{{\left (a^{2} - b^{2} + 2 \, a c + c^{2}\right )} \sqrt {-b^{2} + 4 \, a c}} + \frac {\log \left (\sin \relax (x) + 1\right )}{2 \, {\left (a - b + c\right )}} - \frac {\log \left (-\sin \relax (x) + 1\right )}{2 \, {\left (a + b + c\right )}} \]
Verification of antiderivative is not currently implemented for this CAS.
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maple [A] time = 0.29, size = 224, normalized size = 1.75 \[ -\frac {\ln \left (-1+\sin \relax (x )\right )}{2 a +2 b +2 c}-\frac {b \ln \left (a +b \sin \relax (x )+c \left (\sin ^{2}\relax (x )\right )\right )}{2 \left (a -b +c \right ) \left (a +b +c \right )}+\frac {2 \arctan \left (\frac {b +2 c \sin \relax (x )}{\sqrt {4 c a -b^{2}}}\right ) c a}{\left (a -b +c \right ) \left (a +b +c \right ) \sqrt {4 c a -b^{2}}}-\frac {\arctan \left (\frac {b +2 c \sin \relax (x )}{\sqrt {4 c a -b^{2}}}\right ) b^{2}}{\left (a -b +c \right ) \left (a +b +c \right ) \sqrt {4 c a -b^{2}}}+\frac {2 \arctan \left (\frac {b +2 c \sin \relax (x )}{\sqrt {4 c a -b^{2}}}\right ) c^{2}}{\left (a -b +c \right ) \left (a +b +c \right ) \sqrt {4 c a -b^{2}}}+\frac {\ln \left (1+\sin \relax (x )\right )}{2 a -2 b +2 c} \]
Verification of antiderivative is not currently implemented for this CAS.
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maxima [F(-2)] time = 0.00, size = 0, normalized size = 0.00 \[ \text {Exception raised: ValueError} \]
Verification of antiderivative is not currently implemented for this CAS.
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mupad [B] time = 17.35, size = 1001, normalized size = 7.82 \[ \frac {\ln \left (\sin \relax (x)+1\right )}{2\,\left (a-b+c\right )}-\frac {\ln \left (\sin \relax (x)-1\right )}{2\,\left (a+b+c\right )}+\frac {\ln \left (4\,c^3\,\sin \relax (x)+b\,c^2+\frac {\left (a\,\left (4\,b\,c-2\,c\,\sqrt {b^2-4\,a\,c}\right )-b^3+b^2\,\sqrt {b^2-4\,a\,c}-2\,c^2\,\sqrt {b^2-4\,a\,c}\right )\,\left (8\,a\,c^3+\sin \relax (x)\,\left (-3\,b^3\,c+12\,b\,c^3+12\,a\,b\,c^2\right )+4\,c^4+4\,a^2\,c^2+3\,b^2\,c^2-\frac {\left (a\,\left (4\,b\,c-2\,c\,\sqrt {b^2-4\,a\,c}\right )-b^3+b^2\,\sqrt {b^2-4\,a\,c}-2\,c^2\,\sqrt {b^2-4\,a\,c}\right )\,\left (\sin \relax (x)\,\left (-8\,a^3\,c^2+2\,a^2\,b^2\,c-8\,a^2\,c^3-20\,a\,b^2\,c^2+8\,a\,c^4+6\,b^4\,c-6\,b^2\,c^3+8\,c^5\right )+4\,b\,c^4+4\,b^3\,c^2-28\,a^2\,b\,c^2-24\,a\,b\,c^3+8\,a\,b^3\,c\right )}{b^2\,\left (2\,a^2+12\,a\,c-2\,b^2+2\,c^2\right )-4\,a\,c\,\left (2\,a^2+4\,a\,c+2\,c^2\right )}-a\,b^2\,c\right )}{b^2\,\left (2\,a^2+12\,a\,c-2\,b^2+2\,c^2\right )-4\,a\,c\,\left (2\,a^2+4\,a\,c+2\,c^2\right )}\right )\,\left (a\,\left (4\,b\,c-2\,c\,\sqrt {b^2-4\,a\,c}\right )-b^3+b^2\,\sqrt {b^2-4\,a\,c}-2\,c^2\,\sqrt {b^2-4\,a\,c}\right )}{b^2\,\left (2\,a^2+12\,a\,c-2\,b^2+2\,c^2\right )-4\,a\,c\,\left (2\,a^2+4\,a\,c+2\,c^2\right )}+\frac {\ln \left (4\,c^3\,\sin \relax (x)+b\,c^2+\frac {\left (a\,\left (4\,b\,c+2\,c\,\sqrt {b^2-4\,a\,c}\right )-b^3-b^2\,\sqrt {b^2-4\,a\,c}+2\,c^2\,\sqrt {b^2-4\,a\,c}\right )\,\left (8\,a\,c^3+\sin \relax (x)\,\left (-3\,b^3\,c+12\,b\,c^3+12\,a\,b\,c^2\right )+4\,c^4+4\,a^2\,c^2+3\,b^2\,c^2-\frac {\left (a\,\left (4\,b\,c+2\,c\,\sqrt {b^2-4\,a\,c}\right )-b^3-b^2\,\sqrt {b^2-4\,a\,c}+2\,c^2\,\sqrt {b^2-4\,a\,c}\right )\,\left (\sin \relax (x)\,\left (-8\,a^3\,c^2+2\,a^2\,b^2\,c-8\,a^2\,c^3-20\,a\,b^2\,c^2+8\,a\,c^4+6\,b^4\,c-6\,b^2\,c^3+8\,c^5\right )+4\,b\,c^4+4\,b^3\,c^2-28\,a^2\,b\,c^2-24\,a\,b\,c^3+8\,a\,b^3\,c\right )}{b^2\,\left (2\,a^2+12\,a\,c-2\,b^2+2\,c^2\right )-4\,a\,c\,\left (2\,a^2+4\,a\,c+2\,c^2\right )}-a\,b^2\,c\right )}{b^2\,\left (2\,a^2+12\,a\,c-2\,b^2+2\,c^2\right )-4\,a\,c\,\left (2\,a^2+4\,a\,c+2\,c^2\right )}\right )\,\left (a\,\left (4\,b\,c+2\,c\,\sqrt {b^2-4\,a\,c}\right )-b^3-b^2\,\sqrt {b^2-4\,a\,c}+2\,c^2\,\sqrt {b^2-4\,a\,c}\right )}{b^2\,\left (2\,a^2+12\,a\,c-2\,b^2+2\,c^2\right )-4\,a\,c\,\left (2\,a^2+4\,a\,c+2\,c^2\right )} \]
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 \[ \int \frac {\sec {\relax (x )}}{a + b \sin {\relax (x )} + c \sin ^{2}{\relax (x )}}\, dx \]
Verification of antiderivative is not currently implemented for this CAS.
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