2 / | | ________ | / 3 /x\ 1\ / 2 | |x *cos|-| + -|*\/ 4 - x dx | \ \2/ 2/ | / -2
Integral((x^3*cos(x/2) + 1/2)*sqrt(4 - x^2), (x, -2, 2))
3.14159265358979
Use the examples entering the upper and lower limits of integration.