13. If AB = 9 cm, BC = 5 cm, and AC = 7 cm, what is cos A? 5 7 5 7 A. B. C. D. For #14 - 15. 14. Find x. A. 5 B. 4 C. 3 D. 2 15. Find b. B. 4√5 D. 2√5 A. 5√5 C. 3√5 8 M X b T 2 H
13. If AB = 9 cm, BC = 5 cm, and AC = 7 cm, what is cos A? 5 7 5 7 A. B. C. D. For #14 - 15. 14. Find x. A. 5 B. 4 C. 3 D. 2 15. Find b. B. 4√5 D. 2√5 A. 5√5 C. 3√5 8 M X b T 2 H
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
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13-15 subparts
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