Answer
$\sin$ A = $\frac{45}{53}$
$\cos$ A = $\frac{28}{53}$
$\tan$ A = $\frac{45}{28}$
Work Step by Step
$\sin$ = $\frac{perpendicular}{hypotenuse}$
$\cos$ = $\frac{base}{hypotenuse}$
$\tan$ = $\frac{perpendicular}{base}$
Trigonometry (10th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671775
ISBN 13:
978-0-32167-177-6
Chapter 2 - Acute Angles and Right Triangles - Section 2.1 Trigonometric Functions of Acute Angles - 2.1 Exercises - Page 51: 2
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