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What is the principal value of `sin^(-1)(-(sqrt(3))/2) ?`A. `(2pi)/(3)`B. `-(pi)/(3)`C. `(4pi)/(3)`D. `(5pi)/(3)` |
Answer» `sin^(-1)-sqrt(3)/(2) is an angle theta in [-(pi)/(2),(pi)/(2)]` such that `sin theta =sqrt(3)/(2)` clearly , such an angle is `-(pi)/(3)` | |