If tan A = cot B, and A, B are acute angles, then (A + B) is equal to : (1)
A. 90°
B. 60°
C. 45°
D. 120°
Answer:A
If tan A = cot B, and A, B are acute angles, then (A + B) is equal to : (1)
A. 90° B. 60° C. 45° D. 120°