Integral of $$$\frac{\pi t \sin{\left(2 \right)} \sin{\left(4 t \right)} \cos{\left(4 t \right)}}{20}$$$
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Find $$$\int \frac{\pi t \sin{\left(2 \right)} \sin{\left(4 t \right)} \cos{\left(4 t \right)}}{20}\, dt$$$.
The trigonometric functions expect the argument in radians. To enter the argument in degrees, multiply it by pi/180, e.g. write 45° as 45*pi/180, or use the appropriate function adding 'd', e.g. write sin(45°) as sind(45).
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