Integrand size = 8, antiderivative size = 26 \[ \int \cos ^3(a+b x) \, dx=\frac {\sin (a+b x)}{b}-\frac {\sin ^3(a+b x)}{3 b} \]
[Out]
Time = 0.01 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.00, number of steps used = 2, number of rules used = 1, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.125, Rules used = {2713} \[ \int \cos ^3(a+b x) \, dx=\frac {\sin (a+b x)}{b}-\frac {\sin ^3(a+b x)}{3 b} \]
[In]
[Out]
Rule 2713
Rubi steps \begin{align*} \text {integral}& = -\frac {\text {Subst}\left (\int \left (1-x^2\right ) \, dx,x,-\sin (a+b x)\right )}{b} \\ & = \frac {\sin (a+b x)}{b}-\frac {\sin ^3(a+b x)}{3 b} \\ \end{align*}
Time = 0.01 (sec) , antiderivative size = 26, normalized size of antiderivative = 1.00 \[ \int \cos ^3(a+b x) \, dx=\frac {\sin (a+b x)}{b}-\frac {\sin ^3(a+b x)}{3 b} \]
[In]
[Out]
Time = 0.20 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.85
method | result | size |
derivativedivides | \(\frac {\left (2+\cos ^{2}\left (b x +a \right )\right ) \sin \left (b x +a \right )}{3 b}\) | \(22\) |
default | \(\frac {\left (2+\cos ^{2}\left (b x +a \right )\right ) \sin \left (b x +a \right )}{3 b}\) | \(22\) |
parallelrisch | \(\frac {9 \sin \left (b x +a \right )+\sin \left (3 b x +3 a \right )}{12 b}\) | \(24\) |
risch | \(\frac {3 \sin \left (b x +a \right )}{4 b}+\frac {\sin \left (3 b x +3 a \right )}{12 b}\) | \(27\) |
[In]
[Out]
none
Time = 0.25 (sec) , antiderivative size = 21, normalized size of antiderivative = 0.81 \[ \int \cos ^3(a+b x) \, dx=\frac {{\left (\cos \left (b x + a\right )^{2} + 2\right )} \sin \left (b x + a\right )}{3 \, b} \]
[In]
[Out]
Time = 0.12 (sec) , antiderivative size = 36, normalized size of antiderivative = 1.38 \[ \int \cos ^3(a+b x) \, dx=\begin {cases} \frac {2 \sin ^{3}{\left (a + b x \right )}}{3 b} + \frac {\sin {\left (a + b x \right )} \cos ^{2}{\left (a + b x \right )}}{b} & \text {for}\: b \neq 0 \\x \cos ^{3}{\left (a \right )} & \text {otherwise} \end {cases} \]
[In]
[Out]
none
Time = 0.18 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.85 \[ \int \cos ^3(a+b x) \, dx=-\frac {\sin \left (b x + a\right )^{3} - 3 \, \sin \left (b x + a\right )}{3 \, b} \]
[In]
[Out]
none
Time = 0.28 (sec) , antiderivative size = 22, normalized size of antiderivative = 0.85 \[ \int \cos ^3(a+b x) \, dx=-\frac {\sin \left (b x + a\right )^{3} - 3 \, \sin \left (b x + a\right )}{3 \, b} \]
[In]
[Out]
Time = 0.03 (sec) , antiderivative size = 24, normalized size of antiderivative = 0.92 \[ \int \cos ^3(a+b x) \, dx=\frac {3\,\sin \left (a+b\,x\right )-{\sin \left (a+b\,x\right )}^3}{3\,b} \]
[In]
[Out]