Class CBSE Class 12 Mathematics Inverse Trigonometric Functions Q #975
COMPETENCY BASED
REMEMBER
1 Marks 2025 AISSCE(Board Exam) ASSERTION REASON
Assertion: Assertion (A) : Set of values of $\sec^{-1}\left(\frac{\sqrt{3}}{2}\right)$ is a null set.
Reason: Reason (R) : $\sec^{-1}$ x is defined for $x \in \mathbb{R}-(-1, 1)$.
(A) Both A and R are true and R is the correct explanation of A.
(B) Both A and R are true but R is NOT the correct explanation of A.
(C) A is true but R is false.
(D) A is false but R is true.
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Correct Answer: A

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