English, asked by sillu1762003, 4 months ago

cos4x×sin4x+sin3x=cotx×sin5x-sin3x

Answers

Answered by Anonymous

0

LHS = cot4x (sin5x+sin3x)

= cot4x.2sin4x.cosx

= 2(cos4x/sin4x)sin4x. cosx

= 2co4x.cosx

= 2cos4x. sinx.cotx

= cotx(2sinx.cos4x)

= cotx(sin5x-sin3x) = RHS

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