Question

sin 2A = 2sin A तब सत्य होता है, जबकि A बराबर है:
(a) 0°
(b) 30°
(c) 45°
(d) 60°

Answer 1

Answer:

0° is a used as not defined

Answer 2

Answer:

A=0°

Sin2×0 = 2sin×0

= 0°

Here, option (a) is the right answer