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Asked by
Joseph
Estimate the area under the graph of f(x)=cos((pi/4)x) from x=-2 to x=2 using 3 rectangles of equal width, using left and right endpoints.?
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Answered by
Steve
The interval is of length 4, so you will have three rectangles of width 4/3.
So, what are the left (right) endpoints?
Calculate f(x) at those three values, and multiply by the rectangle width (4/3).
Answered by
Steve
⊿ &rrtri;
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