Number 26, show steps and explain please

In Exercises 23-28, find a Cartesian equation in terms of r and y for the line tangent to the polar curve: 23 7 - 6 + 3sine, 0 2 26. T = sin 0 + cos 0' 10 -0 24 +2 sin 40, 27. r = 2 sin 0, 0 = 2 25. 1 + cos 0 28. r = 2 cos0, 0 = 0 29. Find the tangent line(s) to the parametriza r ( t) = 13 + t, y(t) = tcos(it) at the point (2, -1)