Inverse Sine, Cosine, & Tangent

5. Inverse Trigonometric Functions and Basic Trigonometric Equations / Inverse Sine, Cosine, & Tangent / 문제 3

문제 3

Without using a calculator, determine the exact value of the expression:
sin⁻¹ (-1/2)

7π/6

5π/6

-5π/6

-π/6

Without using a calculator, determine the exact value of the expression:sin⁻¹ (-1/2)