(sin x+sin3x)/(cos x+cos3x)=tan2x...

(sin x+sin3x)/(cos x+cos3x)=tan2x

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Prove that: (sinx +sin3x)/(cosx+cos3x)=tan2x

Prove that: (sinx+sin3x)/(cosx+cos3x)=tan2x

Prove that (sinx+sin3x)/(cosx+cos3x)=tan2x

Prove that (sinx+sin3x)/(cosx+cos3x)=tan2x

Prove that (sin x +sin 3x)/(cos x +cos 3x)=tan 2x

Prove that (sin 5x+sin3x)/(cos 5x+cos3x)=tan4x

Prove that (sin 5x+sin3x)/(cos 5x+cos3x)=tan4x

(sinx+sin3x)/(cosx+cos3x) = tan2x

Prove the following: (sinx + sin3x)/(cosx + cos3x)=tan 2x

Prove that: ,,(sin5x+sin3x)/(cos5x+cos3x)=tan4x

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