Please explain thoroughly with all steps

Question 1 Find area of the region between cos(x) rt 11'] a) f(x) = cos(x) and g(x) = m on the 1nterval _'E . b) f (x) = sin(2x) and g(x) = cos(x) for x E [EE]. c) Can you integrate 1a and lb with reSpect to x and y? Explain. No need to solve. Question 2 Find the volume of solid obtained by rotating around the y-axis to circle with center (5,3) and radius 2, use both washer (rings) and cylinder methods