Answer
$P=(0,1)$
Work Step by Step
$\theta=\frac{\pi}{2}$
Point on the Unit circle
$=(\cos \theta, \sin \theta)$
$=\left(\cos \frac{\pi}{2}, \sin \frac{\pi}{2}\right)$
$\therefore P=(0,1)$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 5 - Trigonometric Functions - Section 5.2 Trigonometric Functions: Unit Circle Approach - 5.2 Assess Your Understanding - Page 402: 8
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