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CBSE Class 12 Mathematics 2026 Supplementary Paper 65/7/3 · Q71 Marksprincipal_values

CBSE Class 12 Mathematics 2026 Supplementary Paper 65/7/3 · Question 7 (Inverse Trigonometric Functions)

Evaluate \(\tan^{-1}(-1)+\cos^{-1}(-1/2)+\sin^{-1}(1/2)\).

✅ Step-by-Step Solution

Final Answer: 7π/12
  1. The principal values are −π/4, 2π/3 and π/6. Their sum is 7π/12.

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All Questions in CBSE Class 12 Mathematics 2026 Supplementary Paper 65/7/3

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