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CBSE Class 12 Mathematics 2026 Supplementary Paper 65/7/2 · Q71 Marksprincipal_values

CBSE Class 12 Mathematics 2026 Supplementary Paper 65/7/2 · Question 7 (Inverse Trigonometric Functions)

Evaluate \(\tan^{-1}\sqrt3-\sec^{-1}(-2)\).

(A) \(\pi\)
(B) \(-\pi/3\)
(C) \(\pi/3\)
(D) \(2\pi/3\)

✅ Step-by-Step Solution

Final Answer: \(-\pi/3\)

The two principal angles are π/3 and 2π/3, giving −π/3.

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