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CUET · MATHS · PYQ PAPER 2025

Match List-l with List-ll
List - l (Inverse Trigonometric function)List - ll (Principal values of arguments)
(A) \(\sin ^{-1}\left(-\frac{1}{2}\right)\)(I) \(-\frac{\pi}{3}\)
(B) \(\cos ^{-1}\left(-\frac{1}{2}\right)\)(II) \(\frac{3 \pi}{4}\)
(C) \(\tan ^{-1}(-\sqrt{3})\)(III) \(-\frac{\pi}{6}\)
(D) \(\sec ^{-1}(-\sqrt{2})\)(IV) \(\frac{2 \pi}{3}\)
Choose the correct answer from the options given below :

  1. A (A) – (III), (B) – (IV), (C) - (I), (D) – (II)
  2. B (A) - (III), (B) – (IV), (C) - (II), (D) – (I)
  3. C A) - (IV), (B) - (III), (C) - (II), (D) – (I)
  4. D (A) - (IV), (B) – (III), (C) – (I), (D) – (II)
Verified Solution

Answer & Solution

Correct Answer

(A) (A) – (III), (B) – (IV), (C) - (I), (D) – (II)

Step-by-step Solution

Detailed explanation

(A) \( \sin^{-1}\left(-\frac{1}{2}\right) = -\frac{\pi}{6} \). Matches (III). (B) \( \cos^{-1}\left(-\frac{1}{2}\right) = \pi - \cos^{-1}\left(\frac{1}{2}\right) = \pi - \frac{\pi}{3} = \frac{2\pi}{3} \). Matches (IV). (C)…