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Name ______________________________________________ Date ________________________________________ Algebra II & Trigonometry Trig Functions involving Radian Measure WS A2.M.2 A2.A.56 Convert between radian and degree measures Know the exact and approximate values of the sine, cosine, and tangent of 0º, 30º, 45º, 60º, 90º, 180º, and 270º angles Find the value of trigonometric functions, if given a point on the terminal side of angle θ A2.A.62 In 1 – 15, find the exact value of each trigonometric function. 1. cos 2. tan 3 4 3. sin 2 3 4. cos 4 3 5. sin 5 4 6. sin 7 6 7. tan 4 3 8. cos 11 6 9. tan 5 6 5 3 12. tan 3 10. cos 3 4 11. sin 13. sin 15 4 14. cos 6 5 15. sin 6 In 16 – 30, find the value of each trigonometric function to four decimal places. 16. sin 17. cos 4 6 19. sin 22. sin 25. sin 7 6 10 3 8 28. cos 10 18. tan 11 6 20. cos 5 4 21. cos 5 23. tan 2 5 24. tan 7 10 26. cos 17 12 27. tan 3 2 29. sin 9 6 30. tan 5