cosec45° = ? (A) 1/√2 (B) √2 (C) √3/2 (D) 2/√3

Doubtly Asked 24 Oct 2026 Save WhatsApp Report

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Answer: (B) √2

\(\sin45^\circ=\dfrac1{\sqrt2}\), so \(\csc45^\circ=\dfrac1{\sin45^\circ}=\sqrt2\). Option (A) is \(\sin45^\circ\) itself and (D) is \(\csc60^\circ\).

Doubtly AI · 24 Oct 2026 AI-verified · Oct 2026 Report

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cosec45° = ? (A) 1/√2 (B) √2 (C) √3/2 (D) 2/√3

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