Estimate the area under the graph of f(x)=cosx from x=0 to x=pi/2 using four approximating rectangles and right endpoints. Sketch the graph and the rectangles. Is your estimate an underestimate or an overestimate?
Estimate the area under the graph of f(x)=cosx from x=0 to x=pi/2 using four approximating rectangles and right endpoints. Sketch the graph and the rectangles. Is your estimate an underestimate or an overestimate?