Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 2 - Review Exercises - Page 94: 45


Third quadrant

Work Step by Step

$\theta=1997^{\circ}$ $\cos\theta = -0.956$ $\sin\theta = -0.292$ As the $\cos\theta$ and $\sin\theta$ are both negative, the angle lies in the third quadrant.
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