Evaluate each of the following exactly

MATHEMATICS · Multi-part · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

Evaluate each of the following exactly, expressing your answers in simplest radical form where necessary. All angles are in radians. (i) csc⁡(−13π4)\csc\left(-\dfrac{13\pi}{4}\right) (ii) sec⁡(17π6)\sec\left(\dfrac{17\pi}{6}\right) (iii) cot⁡(29π3)\cot\left(\dfrac{29\pi}{3}\right)

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