Math, asked by amank97295173, 5 months ago

(BPSC 1979)
(ii) If y -cosºx, find yn.
(iii) Find the nth derivative of cosx.cos2x.cos3x.
(iv) Find Yn if y=e* sinx.sin2x.

Answers

Answered by kkumar82388

2

Step-by-step explanation:

(iii)derivative cosx = -sinx

cos2x= 2

cos 3x= 3

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