Question

ASAP GUYSS
ANSWER ME​

Answer 1

Step-by-step explanation:

sin (A - B) = 1/2 and cos ( A+ B) = 1/2

sin(A - B) = sin 30°

therefore A - B = 30°..........1

cos(A + B) = cos 60°

therefore A + B = 60°.........2

on solving 1 and 2

2A = 90° => A = 45°

option d

45° + B = 60° => B = 15°