Question: Prove that for all whole numbers n 1, Use the identity cos x = sin (x + /2). dn dxn sin x = sin(x

Prove that for all whole numbers n ≥ 1,

dn dxn N sin x = sin(x +! 2

Use the identity cos x = sin (x + π/2).

dn dxn sin x = sin(x + N 2

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