See answer: 1550 Calculate y9. 19. y 2xsx 2 1 1 20. y ex 1 1 x 2 21. y esin 2 22. y e2t

Chapter 3, Problem 19

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1550 Calculate y9. 19. y 2xsx 2 1 1 20. y ex 1 1 x 2 21. y esin 2 22. y e2t st 2 2 2t 1 2d 23. y t 1 2 t 2 24. y emx cos nx 25. y e1yx x 2 26. y S u 2 1 u2 1 u 1 1 D 4 27. xy 4 1 x 2 y x 1 3y 28. y lnscsc 5xd 29. y sec 2 1 1 tan 2 30. x 2 cos y 1 sin 2y xy 31. y ecxsc sin x 2 cos xd 32. y lnsx 2 ex d 33. y log5s1 1 2xd 34. y sln xd cos x 35. sinsxyd x2 2 y 36. y st lnst 4d 37. y 3x ln x 38. xey y 2 1 39. y ln sin x 2 1 2 sin2 x 40. y sx 2 1 1d 4 s2x 1 1d 3 s3x 2 1d 5 41. y x tan21 s4xd 42. y ecos x 1 cossex d 43. y ln | sec 5x 1 tan 5x | 44. y 10tan 45. y tan2 ssin d 46. y ln Z x 2 2 4 2x 1 5 Z 47. y sinstan s1 1 x 3 d 48. y arctansarcsin sx d 49. y cos(estan 3x ) 50. y sin2 scosssin x

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