Question

If cosA=root 3/2 then sin 2A of value​

Answer 1

Answer:

$\sqrt{3}/2$

Step-by-step explanation:

cos A = $\sqrt{3}/2$

→ A = 30°

sin A = sin 30°

2A = 2*30°

     = 60°

→ sin 2A = sin 60°

sin 60° = $\sqrt{3}/2$

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