Can someone help me solve number 45 please with steps

Finding the Area of a Polar Region Between Two Curves In Exercises 45, 46, 47, and 48, find the area of the region. 45. Insider = a (1 + cos 0) and outside r = a cos 0 Answer + 5Ta2 4 46. Inside r = 2a cos 0 and outside r = a 47. Common interior of r = a (1 + cos 0) and r = a sin 0