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प्रश्न
The value of the expression (cos–1x)2 is equal to sec2x.
पर्याय
True
False
उत्तर
This statement is False.
Explanation:
We know that `cos^-1x = sec^-1 (1/x) ≠ sec x`
So `(cos^-1x)^2 ≠ sec^2x`
APPEARS IN
संबंधित प्रश्न
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Reason (R): Range of the principal value branch of cos–1 x is `[(-π)/2, π/2]`.
