Home › CBSE Class 12 (Commerce) › Mathematics › Inverse Trigonometric Functions › The function sec⁻¹ accepts inputs from which set?
The function sec⁻¹ accepts inputs from which set?
A[-1, 1] only
BR - (-1, 1)
CR minus {0}
D(0, π) only
Answer & Solution
Correct answer: B. R - (-1, 1)
Secant takes every real value except those strictly between -1 and 1, so sec⁻¹ is defined on R - (-1, 1).
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