Question
Mathematics Question on Trigonometry
If tan(A-B)=31 and sin A= 21, then the value of B is
A
45°
B
15°
C
30°
D
60°
Answer
15°
Explanation
Solution
The correct option is (B): 15°
If tan(A-B)=31 and sin A= 21, then the value of B is
45°
15°
30°
60°
15°
The correct option is (B): 15°