Question

if a=45 ,verify that (i) sin 2a = sin a cos a​

Answer 1

Answer:

Given, A = 45°

To prove, Sin2A = SinA CosA

LHS = Sin 2 * 45°

= Sin90°

= 1

RHS = Sin45° * Cos45°

= 1/√2 * 1/√2

= 1/2

LHS ≠ RHS

Answer 2

Answer:

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