## Precalculus (6th Edition) Blitzer

Published by Pearson

# Chapter 4 - Section 4.6 - Graphs of Other Trigonometric Functions - Exercise Set - Page 612: 103

#### Answer

a) Please see below. b) Yes. c)$$x=\frac{5\pi }{6}$$The point is indicated by the blue point on the graph.

#### Work Step by Step

b) Since the function $y=\cos x$ is one-to-one on the restricted domain $[0, \pi ]$, the function has an inverse.

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