Transcription of Precalculus Worksheet Name Section 4.7 Inverse Trig ...
1 Precalculus Worksheet name _____ Section Inverse Trig Functions Period _____ Evaluate the given expression without the aid of a calculator. 1. 11sin2 2. 11cos2 3. 13tan3 4. 3arccos2 5. 2arcsin2 6. arctan 1 7. 11arcsin2 8. 1arccos2 9. 3arctan3 10. 13cos2 11. 12sin2 12. 1tan1 13. 1sin 0 14. 1cos 0 15. 1tan3 16. arcsin(1) 17. arccos(1) 18. 1tan 0 19. arcsin( 1) 20. arccos( 1) Find the exact value without a calculator. 21. 11cos sin2 22. 12sin cos2 23.
2 1sincos3 24. 1cossin6 25. 17sinsin4 26. arccos sin3 27. 1sin tan3 28. 1cos tan1 29. 1tancos Find an algebraic expression equivalent to the given expression. 30. tan arccos3x 31. sin arccosx 32. sin arctan2x Evaluate using your calculator to find the approximate value. Express your answer in degrees. 33. 34. 35. 36. arcsin ( ) 37. arctan ( ) 38. arcos(.2814) Evaluate using your calculator to find the approximate value. Express your answer in radians 39.
3 Arcsin (.2618) 40. 41. Section WS Answers 1. 30 2. 60 3. 30 4. 30 5. 45 6. 45 7. -30 or 330 8. 120 9. -30 or 330 10. 150 11. - 45 or 315 12. - 45 or 315 13. 0 14. 90 15. -60 or 300 16. 90 17. 0 18. 0 19. -90 or 270 20. 180 21. 32 22. 22 23. 30 24. 60 25. 315 or -45 26. 30 27. 32 28. 22 29. 315 or -45 30. 29 - xx 31. 21- x 32. 2xx +4 33. 34. 35. 36. 37. 38. 39. 40. 41.
