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

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

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

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

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

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

Prove that: cos^(2)2x-cos^(2)6x=s in4xs in8x

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

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

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

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

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