Solving a Trigonometric Equation In Exercises 11–28, solve the equation. 11. 3 csc x – 2 = 0 12. tan x + 3 = 0 V3 = 13. cos x + 1 = -cos x 14. 3 sin x + 1 = sin x 15. 3 sec? x – 4 = 0 17. 4 cos? x – 1 = 0 16. 3 cot² x – 1 = 0 18. 2 – 4 sin? x = 0 19. sin x(sin x + 1) = 0 20. (2 sin² x – 1)(tan² x – 3) = 0 21. cosx – cos x = 0 22. sec?x – 1 = 0 23. 3 tan³ x = tan x 24. sec x csc x = 2 csc x 25. 2 cos? x + cos x – 1 = 0 26. 2 sin² x + 3 sin x + 1 = 0 27. sec² x – sec x = 2 28. csc² x + csc x = 2

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter6: Trigonometric Functions: Unit Circle Approach
Section6.2: Trigonometric Functions Of Real Numbers
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Solving a Trigonometric Equation In
Exercises 11–28, solve the equation.

Solving a Trigonometric Equation In
Exercises 11–28, solve the equation.
11. 3 csc x – 2 = 0
12. tan x + 3 = 0
V3 =
13. cos x + 1 = -cos x
14. 3 sin x + 1 = sin x
15. 3 sec? x – 4 = 0
17. 4 cos? x – 1 = 0
16. 3 cot² x – 1 = 0
18. 2 – 4 sin? x = 0
19. sin x(sin x + 1) = 0
20. (2 sin² x – 1)(tan² x – 3) = 0
21. cosx – cos x = 0
22. sec?x – 1 = 0
23. 3 tan³ x = tan x
24. sec x csc x = 2 csc x
25. 2 cos? x + cos x – 1 = 0
26. 2 sin² x + 3 sin x + 1 = 0
27. sec² x – sec x = 2
28. csc² x + csc x = 2
Transcribed Image Text:Solving a Trigonometric Equation In Exercises 11–28, solve the equation. 11. 3 csc x – 2 = 0 12. tan x + 3 = 0 V3 = 13. cos x + 1 = -cos x 14. 3 sin x + 1 = sin x 15. 3 sec? x – 4 = 0 17. 4 cos? x – 1 = 0 16. 3 cot² x – 1 = 0 18. 2 – 4 sin? x = 0 19. sin x(sin x + 1) = 0 20. (2 sin² x – 1)(tan² x – 3) = 0 21. cosx – cos x = 0 22. sec?x – 1 = 0 23. 3 tan³ x = tan x 24. sec x csc x = 2 csc x 25. 2 cos? x + cos x – 1 = 0 26. 2 sin² x + 3 sin x + 1 = 0 27. sec² x – sec x = 2 28. csc² x + csc x = 2
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