Question

4) 30
9.
If sin (A + B) = 1 and cos(A - B) = 1, then the
values of A and B are
(1) 50°, 60°
(2) 48°, 45°
(3) 45°, 45°
(4) 47°, 47°
0​

Answer 1

Answer:

May be answer is option 3.