Answer
$ 1$
Work Step by Step
Use the definition and properties of trig functions, we have:
$sec52^\circ cos308^\circ=\frac{cos308^\circ}{cos52^\circ} =\frac{cos(360-52)^\circ}{cos52^\circ}=\frac{cos(52)^\circ}{cos52^\circ}=1$
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 10 - Systems of Equations and Inequalities - Section 10.5 Partial Fraction Decomposition - 10.5 Assess Your Understanding - Page 788: 57
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