The expression √(sin^4 x + 4cos^2 x)- √(cos^4 x + 4 sin^2 x) simplifies to

+3 votes

asked Feb 15, 2019 in JEE by kratos

The expression *√(sin4 x + 4cos2 x)-*√(cos4 x + 4 sin2 x)simplifies to

(A) cos 2x (B) cosx (C) sin 2x (D) sinx

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+6 votes

answered Apr 19, 2020 by kratos

Best answer

Correct option (A) cos 2x

Explanation:

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