I would like help + explanations for how to solve problems 49, 51, and 53

47. tan y = x 48. cos y = x DO Finding a Second Derivative In Exercises 49-54, find day/dx2 implicitly in terms of x of and y. 49. 12+ 12 = 4 50. ry - 4x = 5 51. My - 2 = 5x + y 52. xy - 1 = 2r + 12 53. 7xy + sin x = 2 54. 3.xv - 4 cos x = -6 Tangent Lines and Normal Lines In Exercises 55 and 56, find equations for the tangent line and normal line to the circle at each given point. ( The normal line at a point