Choose the correct option and justify your choice:
sin 2A = 2 sin A is true when A =
(A) 0° (B) 30° (C) 45° (D) 60°

Question

Trying to find the right answer to this..

Anonymous · Accepted Answer

(iii) If A = 0
Then, L.H.S. = sin 2A = sin 2(0)
= sin 0° = 0
R.H.S. = 2 sin A = 2 sin 0°
= 2 x 0 = 0
Ans. (A).

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