(Choose 1 answer)
(See picture)
A. (iv)
B. (iii)C. (ii)D. (i)
Estimate the area of under the graph of f(x) = sinx from x=0 to x=\pi/2 using three rectangles and left endpoints.
(i)\frac{\pi(1+\sqrt{3})}{12}
(ii)\frac{\pi(3+\sqrt{3})}{12}
(iii) \frac{\pi(3+\sqrt{3})}{6}
\pi(1+\sqrt{3})
El (20)
