4. Solve for angle A. A 4 in. C 7 in. B

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.2: The Law Of Cosines
Problem 3E
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Pls help ASAP on both pls 

4. Solve for angle A.
A
4 in.
C
7 in.
B
5. Point P(4,6) is on the terminal angle of an angle of measure.
in standard form. Determine the exact value of co s.
Transcribed Image Text:4. Solve for angle A. A 4 in. C 7 in. B 5. Point P(4,6) is on the terminal angle of an angle of measure. in standard form. Determine the exact value of co s.
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