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MATHEMATICS · Single correct · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

Evaluate S=sin⁡210∘+csc⁡(5π3)+cot⁡(−45∘)S=\sin 210^{\circ}+\csc\left(\dfrac{5\pi}{3}\right)+\cot\left(-45^{\circ}\right). (a) −12−23-\dfrac{1}{2}-\dfrac{2}{\sqrt{3}} (b) −32+23-\dfrac{3}{2}+\dfrac{2}{\sqrt{3}} (c) −32−23-\dfrac{3}{2}-\dfrac{2}{\sqrt{3}} (d) 12−23\dfrac{1}{2}-\dfrac{2}{\sqrt{3}}

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