Integrand size = 19, antiderivative size = 43 \[ \int \cos ^2(c+d x) (a+b \tan (c+d x)) \, dx=\frac {a x}{2}-\frac {b \cos ^2(c+d x)}{2 d}+\frac {a \cos (c+d x) \sin (c+d x)}{2 d} \]
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Time = 0.04 (sec) , antiderivative size = 43, normalized size of antiderivative = 1.00, number of steps used = 3, number of rules used = 3, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.158, Rules used = {3567, 2715, 8} \[ \int \cos ^2(c+d x) (a+b \tan (c+d x)) \, dx=\frac {a \sin (c+d x) \cos (c+d x)}{2 d}+\frac {a x}{2}-\frac {b \cos ^2(c+d x)}{2 d} \]
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Rule 8
Rule 2715
Rule 3567
Rubi steps \begin{align*} \text {integral}& = -\frac {b \cos ^2(c+d x)}{2 d}+a \int \cos ^2(c+d x) \, dx \\ & = -\frac {b \cos ^2(c+d x)}{2 d}+\frac {a \cos (c+d x) \sin (c+d x)}{2 d}+\frac {1}{2} a \int 1 \, dx \\ & = \frac {a x}{2}-\frac {b \cos ^2(c+d x)}{2 d}+\frac {a \cos (c+d x) \sin (c+d x)}{2 d} \\ \end{align*}
Time = 0.06 (sec) , antiderivative size = 46, normalized size of antiderivative = 1.07 \[ \int \cos ^2(c+d x) (a+b \tan (c+d x)) \, dx=\frac {a (c+d x)}{2 d}-\frac {b \cos ^2(c+d x)}{2 d}+\frac {a \sin (2 (c+d x))}{4 d} \]
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Time = 1.14 (sec) , antiderivative size = 36, normalized size of antiderivative = 0.84
method | result | size |
risch | \(\frac {a x}{2}-\frac {b \cos \left (2 d x +2 c \right )}{4 d}+\frac {a \sin \left (2 d x +2 c \right )}{4 d}\) | \(36\) |
derivativedivides | \(\frac {-\frac {b \left (\cos ^{2}\left (d x +c \right )\right )}{2}+a \left (\frac {\sin \left (d x +c \right ) \cos \left (d x +c \right )}{2}+\frac {d x}{2}+\frac {c}{2}\right )}{d}\) | \(41\) |
default | \(\frac {-\frac {b \left (\cos ^{2}\left (d x +c \right )\right )}{2}+a \left (\frac {\sin \left (d x +c \right ) \cos \left (d x +c \right )}{2}+\frac {d x}{2}+\frac {c}{2}\right )}{d}\) | \(41\) |
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Time = 0.26 (sec) , antiderivative size = 35, normalized size of antiderivative = 0.81 \[ \int \cos ^2(c+d x) (a+b \tan (c+d x)) \, dx=\frac {a d x - b \cos \left (d x + c\right )^{2} + a \cos \left (d x + c\right ) \sin \left (d x + c\right )}{2 \, d} \]
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\[ \int \cos ^2(c+d x) (a+b \tan (c+d x)) \, dx=\int \left (a + b \tan {\left (c + d x \right )}\right ) \cos ^{2}{\left (c + d x \right )}\, dx \]
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Time = 0.30 (sec) , antiderivative size = 38, normalized size of antiderivative = 0.88 \[ \int \cos ^2(c+d x) (a+b \tan (c+d x)) \, dx=\frac {{\left (d x + c\right )} a + \frac {a \tan \left (d x + c\right ) - b}{\tan \left (d x + c\right )^{2} + 1}}{2 \, d} \]
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Leaf count of result is larger than twice the leaf count of optimal. 146 vs. \(2 (37) = 74\).
Time = 0.37 (sec) , antiderivative size = 146, normalized size of antiderivative = 3.40 \[ \int \cos ^2(c+d x) (a+b \tan (c+d x)) \, dx=\frac {2 \, a d x \tan \left (d x\right )^{2} \tan \left (c\right )^{2} + 2 \, a d x \tan \left (d x\right )^{2} + 2 \, a d x \tan \left (c\right )^{2} - b \tan \left (d x\right )^{2} \tan \left (c\right )^{2} - 2 \, a \tan \left (d x\right )^{2} \tan \left (c\right ) - 2 \, a \tan \left (d x\right ) \tan \left (c\right )^{2} + 2 \, a d x + b \tan \left (d x\right )^{2} + 4 \, b \tan \left (d x\right ) \tan \left (c\right ) + b \tan \left (c\right )^{2} + 2 \, a \tan \left (d x\right ) + 2 \, a \tan \left (c\right ) - b}{4 \, {\left (d \tan \left (d x\right )^{2} \tan \left (c\right )^{2} + d \tan \left (d x\right )^{2} + d \tan \left (c\right )^{2} + d\right )}} \]
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Time = 4.03 (sec) , antiderivative size = 31, normalized size of antiderivative = 0.72 \[ \int \cos ^2(c+d x) (a+b \tan (c+d x)) \, dx=\frac {a\,x}{2}-\frac {{\cos \left (c+d\,x\right )}^2\,\left (\frac {b}{2}-\frac {a\,\mathrm {tan}\left (c+d\,x\right )}{2}\right )}{d} \]
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