Integrand size = 21, antiderivative size = 66 \[ \int (c+d x) \csc (a+b x) \sin (3 a+3 b x) \, dx=c x+\frac {d x^2}{2}+\frac {3 d \cos ^2(a+b x)}{4 b^2}+\frac {2 (c+d x) \cos (a+b x) \sin (a+b x)}{b}-\frac {d \sin ^2(a+b x)}{4 b^2} \]
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Time = 0.08 (sec) , antiderivative size = 66, normalized size of antiderivative = 1.00, number of steps used = 6, number of rules used = 2, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.095, Rules used = {4516, 3391} \[ \int (c+d x) \csc (a+b x) \sin (3 a+3 b x) \, dx=-\frac {d \sin ^2(a+b x)}{4 b^2}+\frac {3 d \cos ^2(a+b x)}{4 b^2}+\frac {2 (c+d x) \sin (a+b x) \cos (a+b x)}{b}+c x+\frac {d x^2}{2} \]
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Rule 3391
Rule 4516
Rubi steps \begin{align*} \text {integral}& = \int \left (3 (c+d x) \cos ^2(a+b x)-(c+d x) \sin ^2(a+b x)\right ) \, dx \\ & = 3 \int (c+d x) \cos ^2(a+b x) \, dx-\int (c+d x) \sin ^2(a+b x) \, dx \\ & = \frac {3 d \cos ^2(a+b x)}{4 b^2}+\frac {2 (c+d x) \cos (a+b x) \sin (a+b x)}{b}-\frac {d \sin ^2(a+b x)}{4 b^2}-\frac {1}{2} \int (c+d x) \, dx+\frac {3}{2} \int (c+d x) \, dx \\ & = c x+\frac {d x^2}{2}+\frac {3 d \cos ^2(a+b x)}{4 b^2}+\frac {2 (c+d x) \cos (a+b x) \sin (a+b x)}{b}-\frac {d \sin ^2(a+b x)}{4 b^2} \\ \end{align*}
Time = 0.13 (sec) , antiderivative size = 46, normalized size of antiderivative = 0.70 \[ \int (c+d x) \csc (a+b x) \sin (3 a+3 b x) \, dx=\frac {d \cos (2 (a+b x))+b (b x (2 c+d x)+2 (c+d x) \sin (2 (a+b x)))}{2 b^2} \]
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Time = 0.30 (sec) , antiderivative size = 44, normalized size of antiderivative = 0.67
method | result | size |
risch | \(\frac {d \,x^{2}}{2}+c x +\frac {d \cos \left (2 x b +2 a \right )}{2 b^{2}}+\frac {\left (d x +c \right ) \sin \left (2 x b +2 a \right )}{b}\) | \(44\) |
default | \(-c x -\frac {d \,x^{2}}{2}+\frac {4 c \left (\frac {\cos \left (x b +a \right ) \sin \left (x b +a \right )}{2}+\frac {x b}{2}+\frac {a}{2}\right )}{b}+\frac {4 d \left (\left (x b +a \right ) \left (\frac {\cos \left (x b +a \right ) \sin \left (x b +a \right )}{2}+\frac {x b}{2}+\frac {a}{2}\right )-\frac {\left (x b +a \right )^{2}}{4}-\frac {\sin \left (x b +a \right )^{2}}{4}-a \left (\frac {\cos \left (x b +a \right ) \sin \left (x b +a \right )}{2}+\frac {x b}{2}+\frac {a}{2}\right )\right )}{b^{2}}\) | \(119\) |
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Time = 0.25 (sec) , antiderivative size = 54, normalized size of antiderivative = 0.82 \[ \int (c+d x) \csc (a+b x) \sin (3 a+3 b x) \, dx=\frac {b^{2} d x^{2} + 2 \, b^{2} c x + 2 \, d \cos \left (b x + a\right )^{2} + 4 \, {\left (b d x + b c\right )} \cos \left (b x + a\right ) \sin \left (b x + a\right )}{2 \, b^{2}} \]
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\[ \int (c+d x) \csc (a+b x) \sin (3 a+3 b x) \, dx=\int \left (c + d x\right ) \sin {\left (3 a + 3 b x \right )} \csc {\left (a + b x \right )}\, dx \]
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Time = 0.23 (sec) , antiderivative size = 55, normalized size of antiderivative = 0.83 \[ \int (c+d x) \csc (a+b x) \sin (3 a+3 b x) \, dx=\frac {{\left (b x + \sin \left (2 \, b x + 2 \, a\right )\right )} c}{b} + \frac {{\left (b^{2} x^{2} + 2 \, b x \sin \left (2 \, b x + 2 \, a\right ) + \cos \left (2 \, b x + 2 \, a\right )\right )} d}{2 \, b^{2}} \]
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Time = 0.28 (sec) , antiderivative size = 106, normalized size of antiderivative = 1.61 \[ \int (c+d x) \csc (a+b x) \sin (3 a+3 b x) \, dx=\frac {4 \, b c \cos \left (b x + a\right ) \sin \left (b x + a\right ) + 4 \, {\left (b x + a\right )} d \cos \left (b x + a\right ) \sin \left (b x + a\right ) - 4 \, a d \cos \left (b x + a\right ) \sin \left (b x + a\right ) + 2 \, {\left (b x + a\right )} b c + {\left (b x + a\right )}^{2} d - 2 \, {\left (b x + a\right )} a d + d \cos \left (b x + a\right )^{2} - d \sin \left (b x + a\right )^{2}}{2 \, b^{2}} \]
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Time = 0.27 (sec) , antiderivative size = 53, normalized size of antiderivative = 0.80 \[ \int (c+d x) \csc (a+b x) \sin (3 a+3 b x) \, dx=c\,x+\frac {d\,x^2}{2}+\frac {\frac {d\,\cos \left (2\,a+2\,b\,x\right )}{2}+b\,\left (c\,\sin \left (2\,a+2\,b\,x\right )+d\,x\,\sin \left (2\,a+2\,b\,x\right )\right )}{b^2} \]
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