E
Editor
Sep 18, 2022
What is the domain of the function $y=x\cos^{-1}x$=
Difficulty: Easy
A:
$0\leq x\leq 1$
B:
$0\leq x\leq \pi$
C:
$-\frac{\pi}{4}\leq x\leq \frac{\pi}{4}$
D:
$-1\leq x\leq 1$
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