(a) Find the Riemann sum for

f(x) = 7 sin x, 0 ≤ x ≤ 3π/2,
with six terms, taking the sample points to be right endpoints. (Round your answers to six decimal places.)
I got 3.887250 as an answer, but that's not right.
(b) Repeat part (a) with midpoints as the sample points.

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1.3

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