Question: Derive the reduction formulas Sx fx cos xdx = x Sx nf x x cos x dx = x sin x - n x1 sin

Derive the reduction formulas

Sx fx cos xdx = x Sx nf x x" cos x dx = x" sin x - n x1 sin xdx x" sin x dx = -x" cos x + n +nfx1 Sx x-1 cos

Sx fx cos xdx = x Sx nf x x" cos x dx = x" sin x - n x1 sin xdx x" sin x dx = -x" cos x + n +nfx1 Sx x-1 cos x dx

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