If sin (A – B) = 
and cos (A + B) = 
, 0° < A + B ≤90°, A < B find A and B.
On solving both equations, we get
A = 45°, B = 15°
35
If sin (A – B) = and cos (A + B) = , 0° < A + B ≤90°, A < B find A and B.
On solving both equations, we get
A = 45°, B = 15°