Question

please this is so urgent​

Answer 1

Answer:

answer for the given problem is given

Answer 2

HERE IS UR ANSWER DEAR,

given that ,

2sinA - 1 = 0

2sinA = 1

sinA = 1/2 = sin30°

A = 30°

LHS :

= sin ( 3A)

= sin( 3×30° )

= sin (90°)

=1