NCERT Miscellaneous Exercise Q9 - Inverse Trigonometric Functions
Question: Prove that cot⁻¹((√(1 + sin x) + √(1 − sin x))/(√(1 + sin x) − √(1 − sin x))) = x/2 for x ∈ (0, π/4).
Answer: Proved.
Full step-by-step NCERT solution with diagrams on Something by Zero.