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MODEL PAPER 2025 — MATHS STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceMATHSMODEL PAPER 20251 Mark
Question
Assertion (A): The function $f: R-\left\{(2 n+1) \frac{\pi}{2}: n \in Z\right\} \rightarrow(-\infty,-1] \cup[1, \infty)$ defined by $f(x)=\sec x$ is not one - one function in its domain.

Reason (R): The line y = 2 meets the graph of the function at more than one point.
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Answer

Both (A) and (R) are true and (R) is the correct explanation of (A).

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