Same chapter3 marksDifficulty: Medium
Evaluate tan−1(1) + cos−1(1/2) + sin−1(1/2).
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3 marksDifficulty: Medium
Evaluate tan−1(√3) − sec−1(−2).
Original Khojo Papers practice question — not from a past board paper.
Answer
−π/3
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
tan−1(√3) = π/3 and sec−1(−2) = 2π/3, so the value is π/3 − 2π/3 = −π/3.
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