3. Show all work and solutions without use of a calculator: Consider the curve defined by the equation y + cos y = x + 1 for O s y s 211. . d_y. 3. Find :12: In terms of y. b. Write an equation for each vertical tangent line to the curve. c Find in terms of . axz y. 6. Use Calculus techniques and a calculator to solve this problem. Include explanation of how you use your calculator to solve this. Give your answer to the thousandths place. At what value of x does the curve defined by x' + xy -y =10 have a vertical tangent line