Show each step of the work . It must be readable.

First study chapter 11.4 (Graphing Polar Coordinate Equations) and 11.5 (Areas and Lengths in Polar Coordinates). Then sketch the graph of the following curves and find the area of the region enclosed by them: 1. r = Ve 2. r = 1 + cos 0 3.r = 4 + 3 sin 0 4. r = 2 sin 0