171 estion B: Use the compound angle formula to evaluate cos 12 ong Solution: 17n 12 200( + 픔) 71 so cos COS sin (주)(주) -V3+1 2/2 Frect Solution:
171 estion B: Use the compound angle formula to evaluate cos 12 ong Solution: 17n 12 200( + 픔) 71 so cos COS sin (주)(주) -V3+1 2/2 Frect Solution:
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:17n
Question B: Use the compound angle formula to evaluate cos
12
Wrong Solution:
17n
cos
12
cos(플 +
= cos
= cos (cos () - sin+)
= COS
-3+1
2/2
%3D
Correct Solution:
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