Question
Mathematics Question on Inverse Trigonometric Functions
The principal value of sin−1(21) is :
A
−6π
B
6π
C
3π
D
−3π
Answer
−6π
Explanation
Solution
The correct option is (A) :−6π.
The principal value of sin−1(21) is :
−6π
6π
3π
−3π
−6π
The correct option is (A) :−6π.