2*((0.5*int (4+6cos(x))^2 dx x=0..arccos(-2/3)) - (0.5*int (4+6cos(x))^2 dx x=arccos(-2/3)..pi))2*((0.5*int (4+6cos(x))^2 dx x=0..arccos(-2/3)) - (0.5*int (4+6cos(x))^2 dx x=arccos(-2/3)..pi))

• Natural Language
• Math Input