What is the value of x in x is equal to sine inverse of open paren negative 1 half close paren ?

The inverse sine, sin⁻¹, returns an angle in the principal range from −π/2 to π/2. Since sin(−π/6) = −1/2 and −π/6 is in that range, x = −π/6, the choice “negative pi over 6.”

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