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If y = sin (sin x), prove that d^2y/dx^2 +tanx dy/dx + ycos^2x = 0.

+2 votes

asked Feb 14, 2019 in Class 12 by kratos

If y = sin (sin x), prove that d2y/dx2 +tanx dy/dx + ycos2x = 0.

ordinary differential equations
trigonometry
differentiation
derivatives
class-10
class-12

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1 Answer

+3 votes

answered Jun 3, 2020 by kratos

Best answer

y = sin (sinx)

dy/dx = cos (sinx)·cosx

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