r to triangle ABC, which is not necessarily a right triangle. = 6 km, b = 7 km, and c = 9 km, use the law of cosines to find C to the nearest tenth of a degree.
r to triangle ABC, which is not necessarily a right triangle. = 6 km, b = 7 km, and c = 9 km, use the law of cosines to find C to the nearest tenth of a degree.
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:Refer to triangle ABC, which is not necessarily a right triangle.
If a = 6 km, b = 7 km, and c = 9 km, use the law of cosines to find C to the nearest tenth of a degree.
C =
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