Inverse Trigonometric Functions
NCERT Exemplar Class 12
CBSE
Grade 12
Question:
The domain of the function $f(x) = \sin^{-1} x + \cos x$ is:
(a) $[-1, 1]$
(b) $(-\text{inf}, \text{inf})$
(c) $[0, 1]$
(d) $[-1, 0]$
Step-by-Step Solution
Domain $= [-1, 1] \cap \mathbb{R} = [-1, 1]$. [1.0 Mark]
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🎯 Official CBSE Marking Scheme:
Selecting $[-1, 1]$: 1.0 Mark
Correct Answer: $[-1, 1]$
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