1. In which of the following triangles, as marked, can the Law of Cosines be used? 10 .. . || IV 9 85° III 48 11 35 6 12 A. I and II only C. III and IV only D. I and IV only 7 30° 18 B. II and III only
1. In which of the following triangles, as marked, can the Law of Cosines be used? 10 .. . || IV 9 85° III 48 11 35 6 12 A. I and II only C. III and IV only D. I and IV only 7 30° 18 B. II and III only
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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Transcribed Image Text:1. In which of the following triangles, as marked, can the Law of Cosines be used?
1
10 II
IV 9
85°
NA
III 48°
11
7
30°
35
12
18
A. I and II only B. II and III only
C. III and IV only
D. I and IV only
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