Evaluate each of the following

MATHEMATICS · Multi-part · AP · AP Precalculus · Trigonometric and Polar Functions · Trigonometric and Polar Functions

Problem

Evaluate each of the following, giving exact answers in radians first and then converting the result of each part to degrees. (i) arccos⁡(−12)\arccos\left(-\dfrac{1}{2}\right) (ii) arcsin⁡(−22)\arcsin\left(-\dfrac{\sqrt{2}}{2}\right) (iii) arctan⁡(3)\arctan(\sqrt{3})

Related theory

Browse the problem library