Solve the problem. Express 15° as a - ß, where cos a and cos ß are known exactly. 47° - 32° 80° - 65° 43° - 28° 45° - 30°
Solve the problem. Express 15° as a - ß, where cos a and cos ß are known exactly. 47° - 32° 80° - 65° 43° - 28° 45° - 30°
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter6: Equations
Section6.3: Trigonometric Equations Involving Multiple Angles
Problem 83PS
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Question
Express 15° as α - β, where cos α and cos β are known exactly.
![Solve the problem.
Express 15° as a - ß, where cos a and cos ß are known exactly.
47° - 32°
80° - 65°
43° - 28°
45° - 30°](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc154e8f7-5981-4a34-85b0-b10a7e25c57a%2F728ffca5-3a9a-4e6a-a194-79f2e49fdaba%2Fc9kdwqi_processed.png&w=3840&q=75)
Transcribed Image Text:Solve the problem.
Express 15° as a - ß, where cos a and cos ß are known exactly.
47° - 32°
80° - 65°
43° - 28°
45° - 30°
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