Question
Question: If \(\sin ^ { - 1 } \frac { 1 } { 2 } = \tan ^ { - 1 } x\) then x =...
If sin−121=tan−1x then x =
A
3
B
31
C
21
D
None of these
Answer
31
Explanation
Solution
Given that sin−121=tan−1x
⇒tan−1x=6π ⇒x=tan30∘=31.
If sin−121=tan−1x then x =
3
31
21
None of these
31
Given that sin−121=tan−1x
⇒tan−1x=6π ⇒x=tan30∘=31.