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Estimate the area under the graph of f(x) = 2 cos(x) from x = 0 tox = ?/2. (Round the answer to four decimal places.)
(a) Use four approximating rectangles and right endpoints.
R4 =

Is your estimate an underestimate or an overestimate?


(b) Use four approximating rectangles and left endpoints.
L4 =

Is your estimate an underestimate or an overestimate?

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Casey Durgan
Casey DurganLv2
15 Jun 2019

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