Prove that: cos^2 2x-cos^2 6x=s in4x s i...

Prove that: `cos^2 2x-cos^2 6x=s in4x s in8x`

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Prove that: cos^2 2x-cos^2 6x= sin4x sin8x

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Prove that cos^2 2x-cos^2 6x=sin4x sin8x

Prove that: cos^2 2x-cos^2 6x=sin4xsin8x

Prove that: cos^(2)2x-cos^(2)6x=sin4x sin8x

Prove that cos^(2)2x-cos^(2)6x=sin4x.sin8x ?

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Prove the following: cos^2 2x-cos^2 6x=sin4xsin8x

cos ^(2) 2x -cos ^(2) 6x = sin 4x sin 8x

cos ^(2) 2x -cos ^(2) 6x = sin 4x sin 8x

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