Latest exam Aptitude Question SOLUTION: Let cos beta =a .Find the expression for cos 2beta and sin 2beta in terms of a and hence confirm that - cos(square)2beta + sin(square)2beta = 1

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(#M40144659) EXAM Numerical Ability question Keep an EYE

Let cos beta =a .Find the expression for cos 2beta and sin 2beta in terms of a
and hence confirm that - cos(square)2beta + sin(square)2beta = 1

Asked In exam (9 years ago)

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