Question

Value of , for sin 2 θ=1, where 0° < < 90° is:
(a) 30° (b) 60° (c) 45° (d) 135°

Answer 1

Answer:

(a) 30° is the answer

Step-by-step explanation:

2sin=1

(sin30°=1/2)

then

2 sin =1/2 *2

= 1

"hence proved"