Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter1: The Six Trigonometric Functions
Section1.3: Definition I: Trigonometric Functions
Problem 76PS
Related questions
Question
In Problems 21–30, use the Half-angle Formulas to find the exact value of each expression.
![97
24. tan
21. sin 22.5°
22. cos 22.5°
23. tan
8
157
27. sec
8
25. cos 165°
26. sin 195°
28. csc
8
37
29. sin
30. cos
8](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F21f9e8a3-c021-48dc-a833-f29ca3e42900%2F794207c8-9835-447c-b2e3-551fdd5c7d05%2F6jfmgnw_processed.png&w=3840&q=75)
Transcribed Image Text:97
24. tan
21. sin 22.5°
22. cos 22.5°
23. tan
8
157
27. sec
8
25. cos 165°
26. sin 195°
28. csc
8
37
29. sin
30. cos
8
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