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" (ii) "(cos9x-cos5x)/(sin17x-sin3x)=(-s...

" (ii) "(cos9x-cos5x)/(sin17x-sin3x)=(-sin2x)/(cos10x)

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Prove that :(cos9x-cos5x)/(sin17x-sin3x)=(-sin2x)/(cos10x)

Prove that (cos9x —cos5x)/(sin17x-sin3x)=(-sin2x)/(cos10x) .

Prove that: ,(cos9x-cos5x)/(sin17x-sin3x)=-(sin2x)/(cos10x)

Prove the following: (cos9x -cos5x)/(sin17x-sin3x)=-(sin2x)/(cos10x)

Prove that: (cos9x-cos5x)/(sin 17 x-sin3x)=\ -(sin2x)/(cos 10 x)

Prove that: (cos9x-cos5x)/(sin17 x-sin3x)=-(sin2x)/(cos10 x)

Prove the following: (frac(cos9x-cos5x)(sin17x-sin3x))=(frac(-sin2x)(cos10x))

Prove that : (cos 9x - cos 5x)/(sin 17x -sin 3x)=- (sin 2x)/(cos 10x) .

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

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