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Problem 32

(a) Let $ A_n $ be the area of a polygon with $ n…

02:24
Problem 31

Find the exact area under the cosine curve $ y = \cos x $ from $ x = 0 $ to $ x = b $, where $ 0 \le b \le \pi/2 $. (Use a computer algebra system both to evaluate the sum and compute the limit.) In particular, what is the area if $ b = \pi/2 $?

Answer

Area $=\sin b$



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