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.

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