Editor
Editor
 Sep 18, 2022
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$y=\cos^{-1}x$, is the inverse of
Difficulty: Easy
A: 
$y=\sin x$
B: 
$y=\cos x$
C: 
$y={1}{\cos x}$
D: 
$y=\sec x$
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NETNUST Entry TestMathematicsInverse Trigonometric Functions