Trigonometry (11th Edition) Clone

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

Chapter 3 - Radian Measure and the Unit Circle - Section 3.3 The Unit Circle and Circular Functions - 3.3 Exercises - Page 126: 94a


$OQ = 0.7880$

Work Step by Step

$\frac{OQ}{OP} = cos ~38^{\circ}$ $\frac{OQ}{OP} = cos ~38^{\circ}$ $OQ = (OP)~(cos ~38^{\circ})$ $OQ = (1)~(cos ~38^{\circ})$ $OQ = 0.7880$
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