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Editor
 Sep 18, 2022
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The principal value of $\sin^{-1}(-\frac{1}{2})$
Difficulty: Easy
A: 
$\frac{\pi}{3}$
B: 
$\frac{\pi}{4}$
C: 
$\frac{\pi}{6}$
D: 
$-\frac{\pi}{6}$
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NETNUST Entry TestMathematicsInverse Trigonometric Functions