CBSE Past Year MCQ Quiz

Question 1 of 3

CBSE Board Exam 2026

The principal value of \(\sec ^{-1}(\sqrt{2})+2 \operatorname{cosec}^{-1}(-\sqrt{2})\) is :

A \(-\frac{\pi}{2}\) B \(-\frac{\pi}{4}\) C \(\frac{\pi}{4}\) D \(\frac{\pi}{2}\)

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Question 2 of 3

CBSE Board Exam 2025

The value of \(\cos \left(\frac{\pi}{6}+\cot ^{-1}(-\sqrt{3)})\right.\) is

A \(\quad-1\) B \(\frac{-\sqrt{3}}{2}\) C 0 D 1

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Question 3 of 3

CBSE Board Exam 2026

The domain of \(\sin ^{-1}(1-2 \mathrm{x})\) is :

A \([-1,1]\) B \([-1,3]\) C \([-2,2]\) D \([0,1]\)

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Class 6