Area of a region (1 Viewer)

[kpad5991]

Draw a sketch of the curve f (x) = 3 cos x and the curve g(x) = sin 2x in the domain 0 less than and equal to x less than and equal to pi.

and then find the area of the region bounded by the curve f(x) = 3 cos x and the curve g (x) = sin 2x in the given domain.

 

[darkk_blu]

Integrate from 0 to pi/2 3cosx-sin2x
Integrate from pi/2 to pi 3cosx-sin2x
Add their absolutes together