Answer
sin A = positive
cos A = negative
tan A = negative
Work Step by Step
In Quadrant 2, the x-value is negative whlie the y-value is positive.
sin A = (+)/(+) = +ve
cos A = (-)/(+) = -ve
tan A = sin A / cos A = +/- = -ve
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 2.2 Trigonometric Functions of Non-Acute Angles - 2.2 Exercises - Page 59: 10
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