Optimal. Leaf size=217 \[ \frac {2 C (b \cos (c+d x))^n \sin (c+d x)}{d (1+2 n) \sqrt {\cos (c+d x)}}+\frac {2 (A-C (1-2 n)+2 A n) (b \cos (c+d x))^n \, _2F_1\left (\frac {1}{2},\frac {1}{4} (-1+2 n);\frac {1}{4} (3+2 n);\cos ^2(c+d x)\right ) \sin (c+d x)}{d \left (1-4 n^2\right ) \sqrt {\cos (c+d x)} \sqrt {\sin ^2(c+d x)}}-\frac {2 B \sqrt {\cos (c+d x)} (b \cos (c+d x))^n \, _2F_1\left (\frac {1}{2},\frac {1}{4} (1+2 n);\frac {1}{4} (5+2 n);\cos ^2(c+d x)\right ) \sin (c+d x)}{d (1+2 n) \sqrt {\sin ^2(c+d x)}} \]
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Rubi [A]
time = 0.14, antiderivative size = 217, normalized size of antiderivative = 1.00, number of steps
used = 5, number of rules used = 4, integrand size = 41, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.098, Rules used = {20, 3102, 2827,
2722} \begin {gather*} \frac {2 (2 A n+A-C (1-2 n)) \sin (c+d x) (b \cos (c+d x))^n \, _2F_1\left (\frac {1}{2},\frac {1}{4} (2 n-1);\frac {1}{4} (2 n+3);\cos ^2(c+d x)\right )}{d \left (1-4 n^2\right ) \sqrt {\sin ^2(c+d x)} \sqrt {\cos (c+d x)}}-\frac {2 B \sin (c+d x) \sqrt {\cos (c+d x)} (b \cos (c+d x))^n \, _2F_1\left (\frac {1}{2},\frac {1}{4} (2 n+1);\frac {1}{4} (2 n+5);\cos ^2(c+d x)\right )}{d (2 n+1) \sqrt {\sin ^2(c+d x)}}+\frac {2 C \sin (c+d x) (b \cos (c+d x))^n}{d (2 n+1) \sqrt {\cos (c+d x)}} \end {gather*}
Antiderivative was successfully verified.
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Rule 20
Rule 2722
Rule 2827
Rule 3102
Rubi steps
\begin {align*} \int \frac {(b \cos (c+d x))^n \left (A+B \cos (c+d x)+C \cos ^2(c+d x)\right )}{\cos ^{\frac {3}{2}}(c+d x)} \, dx &=\left (\cos ^{-n}(c+d x) (b \cos (c+d x))^n\right ) \int \cos ^{-\frac {3}{2}+n}(c+d x) \left (A+B \cos (c+d x)+C \cos ^2(c+d x)\right ) \, dx\\ &=\frac {2 C (b \cos (c+d x))^n \sin (c+d x)}{d (1+2 n) \sqrt {\cos (c+d x)}}+\frac {\left (2 \cos ^{-n}(c+d x) (b \cos (c+d x))^n\right ) \int \cos ^{-\frac {3}{2}+n}(c+d x) \left (\frac {1}{2} \left (-2 C \left (\frac {1}{2}-n\right )+2 A \left (\frac {1}{2}+n\right )\right )+\frac {1}{2} B (1+2 n) \cos (c+d x)\right ) \, dx}{1+2 n}\\ &=\frac {2 C (b \cos (c+d x))^n \sin (c+d x)}{d (1+2 n) \sqrt {\cos (c+d x)}}+\left (B \cos ^{-n}(c+d x) (b \cos (c+d x))^n\right ) \int \cos ^{-\frac {1}{2}+n}(c+d x) \, dx+\frac {\left ((A-C (1-2 n)+2 A n) \cos ^{-n}(c+d x) (b \cos (c+d x))^n\right ) \int \cos ^{-\frac {3}{2}+n}(c+d x) \, dx}{1+2 n}\\ &=\frac {2 C (b \cos (c+d x))^n \sin (c+d x)}{d (1+2 n) \sqrt {\cos (c+d x)}}+\frac {2 (A-C (1-2 n)+2 A n) (b \cos (c+d x))^n \, _2F_1\left (\frac {1}{2},\frac {1}{4} (-1+2 n);\frac {1}{4} (3+2 n);\cos ^2(c+d x)\right ) \sin (c+d x)}{d \left (1-4 n^2\right ) \sqrt {\cos (c+d x)} \sqrt {\sin ^2(c+d x)}}-\frac {2 B \sqrt {\cos (c+d x)} (b \cos (c+d x))^n \, _2F_1\left (\frac {1}{2},\frac {1}{4} (1+2 n);\frac {1}{4} (5+2 n);\cos ^2(c+d x)\right ) \sin (c+d x)}{d (1+2 n) \sqrt {\sin ^2(c+d x)}}\\ \end {align*}
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Mathematica [A]
time = 0.49, size = 157, normalized size = 0.72 \begin {gather*} -\frac {2 (b \cos (c+d x))^n \sin (c+d x) \left ((A+2 A n+C (-1+2 n)) \, _2F_1\left (\frac {1}{2},\frac {1}{4} (-1+2 n);\frac {1}{4} (3+2 n);\cos ^2(c+d x)\right )+(-1+2 n) \left (B \cos (c+d x) \, _2F_1\left (\frac {1}{2},\frac {1}{4} (1+2 n);\frac {1}{4} (5+2 n);\cos ^2(c+d x)\right )-C \sqrt {\sin ^2(c+d x)}\right )\right )}{d \left (-1+4 n^2\right ) \sqrt {\cos (c+d x)} \sqrt {\sin ^2(c+d x)}} \end {gather*}
Antiderivative was successfully verified.
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Maple [F]
time = 0.32, size = 0, normalized size = 0.00 \[\int \frac {\left (b \cos \left (d x +c \right )\right )^{n} \left (A +B \cos \left (d x +c \right )+C \left (\cos ^{2}\left (d x +c \right )\right )\right )}{\cos \left (d x +c \right )^{\frac {3}{2}}}\, dx\]
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {Failed to integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F]
time = 0.00, size = 0, normalized size = 0.00 \begin {gather*} \text {could not integrate} \end {gather*}
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 \begin {gather*} \int \frac {\left (b \cos {\left (c + d x \right )}\right )^{n} \left (A + B \cos {\left (c + d x \right )} + C \cos ^{2}{\left (c + d x \right )}\right )}{\cos ^{\frac {3}{2}}{\left (c + d x \right )}}\, dx \end {gather*}
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 \begin {gather*} \text {could not integrate} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [F]
time = 0.00, size = -1, normalized size = -0.00 \begin {gather*} \int \frac {{\left (b\,\cos \left (c+d\,x\right )\right )}^n\,\left (C\,{\cos \left (c+d\,x\right )}^2+B\,\cos \left (c+d\,x\right )+A\right )}{{\cos \left (c+d\,x\right )}^{3/2}} \,d x \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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