pi -- 2 / | | ______________________________ | / 3 2 | 2*\/ 4*cos (x) + 4*cos (x)*sin(x) dx | / -pi ---- 2
Integral(2*sqrt(4*cos(x)^3 + (4*cos(x)^2)*sin(x)), (x, -pi/2, pi/2))
(6.53501074883989 + 0.658120008469587j)
(6.53501074883989 + 0.658120008469587j)
Use the examples entering the upper and lower limits of integration.