Answer
$\dfrac{1+\sqrt3}{2}$
Work Step by Step
RECALL:
$(f+g)(x)=f(x)+g(x)$
Use the rule above to obtain:
$(f+g)(30^\circ)=\sin{30^o}+\cos{30^o}=\dfrac{1}{2}+\dfrac{\sqrt3}{2}=\dfrac{1+\sqrt3}{2}$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 6 - Trigonometric Functions - 6.2 Trigonometric Functions: Unit Circle Approach - 6.2 Assess Your Understanding - Page 380: 107
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