Find \(\int_{0}^{\frac{\pi}{2}} cos^3(x).cos(2x)dx\).

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answerhappygod
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Find \(\int_{0}^{\frac{\pi}{2}} cos^3(x).cos(2x)dx\).

Post by answerhappygod »

a) 0
b) 5
c) 87
d) -16⁄105
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