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" 7.Prove that "(sin x-sin3x)/(sin^(2)x-...

" 7.Prove that "(sin x-sin3x)/(sin^(2)x-cos^(2)x)=2sin x

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Prove that (sinx-sin3x)/(sin^(2)x-cos^(2)x)=2sinx

Prove that : (sinx-sin3x)/(sin^(2)x-cos^(2)x) = 2sinx

Prove that (sin x-sin 3 x)/(sin ^(2) x-cos ^(2) x)=2 sin x

Prove that: (sinx-sin3x)/(sin^2x-cos^2x)=2sinx

(sin x - sin 3x)/( sin ^(2) x - cos ^(2) x) = 2 sin x

(sin x - sin 3x)/( sin ^(2) x - cos ^(2) x) = 2 sin x

(sin x - sin 3x)/( sin ^(2) x - cos ^(2) x) = 2 sin x

prove the following (sinx-sin3x)/(sin^2x-cos^2x)=2sinx

Prove that (sinx - sin3x)/(cos^2x - sin^2x) = -2sinx

Prove that: ,,(sin x+sin3x)/(cos x+cos3x)=tan2x