Which is equivalent to sine inverse of open paren the fraction with numerator square root of 3 and denominator 2 close paren ? Give your answer in radians.
Answer
A
pi over 6
B
negative pi over 3
C
pi over 3
D
negative pi over 6
Explanation
The inverse sine asks for the angle in the range −π/2 to π/2 whose sine is √3/2. Since sin(π/3) = √3/2, the value is π/3 radians, which is choice C.
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