Mathematics · Functions
The domain of the real-valued function f(x) = √cos(sin x) + cos-1(1 + x22x) is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1{-1, 1}✓
- 2R - (-1, 1)
- 3[-1, 1]
- 4(-1, 1)
Correct answer
{-1, 1}
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