how do i approximate pi using queation of arctan(1)=4*arctan(1/5)-arctan(1/239) ?
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here is my thought:
step 1: use build in function taylor to expand arctan(x) to 10th truncation order.
step 2: create a function using the expansion outcome from step 1, and then plug into 1/5 and 1/239? I have not idea about it. Help!
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