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sin5x cos3x = sin 9x cos7x...

`sin5x cos3x = sin 9x cos7x`

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Find the general solution of sin5x cos 3x = sin9x cos7x

Find the general solution of sin5x cos 3x = sin9x cos7x

Prove that (sin 7 x - sin 5x-sin3x +sin x)/(cos 7x-cos5x+cos3 x-cos x)=tan 2x

cos3x tan5x=sin7x

((sin 7x + sin 5x ) +(sin 9x + sin 3x))/( (cos 7x + cos 5x ) + (cos 9x + cos 3x ))= tan 6x

((sin 7x + sin 5x ) +(sin 9x + sin 3x))/( (cos 7x + cos 5x ) + (cos 9x + cos 3x ))= tan 6x

((sin 7x + sin 5x ) +(sin 9x + sin 3x))/( (cos 7x + cos 5x ) + (cos 9x + cos 3x ))= tan 6x

((sin 7x + sin 5x ) +(sin 9x + sin 3x))/( (cos 7x + cos 5x ) + (cos 9x + cos 3x ))= tan 6x

(cos 9x - cos 5x )/( sin 17 x- sin 3x )=- (sin 2x)/( cos 10x )

(cos 9x - cos 5x )/( sin 17 x- sin 3x )=- (sin 2x)/( cos 10x )