If , then prove that y'' + ( x) y' + y ^2 x =…

MATHEMATICS · Subjective · A Level · Mathematics · Differentiation · Differentiation

Problem

If y=sin⁡(sin⁡x)y = \sin(\sin x) , then prove that y′′+(tan⁡x)y′+ycos⁡2x=0.y'' + (\tan x) y' + y \cos^2 x = 0.

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