Mathematics

Problem

Evaluate each of the following exactly, expressing your answers in simplest radical form where necessary. All angles are in radians. a. (i)

\csc\left(-\dfrac{13\pi}{4}\right)

b. (ii)

\sec\left(\dfrac{17\pi}{6}\right)

c. (iii)

\cot\left(\dfrac{29\pi}{3}\right)