I'm having trouble with my homework.?

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Can anyone tell me what is the Machin's formula for pi.

2007-09-02 19:32:39 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

Hi. Try this. http://www.answers.com/Machin%27s+formula?cat=technology&gwp=13

2007-09-02 19:35:08 · answer #1 · answered by Cirric 7 · 0⤊ 0⤋

Machin's Formula
Pi/4 = 4*atn(1/5) - atn(1/239)

2007-09-02 19:37:06 · answer #2 · answered by Anonymous · 0⤊ 0⤋

http://milan.milanovic.org/math/english/pi/machin.html

this has some good info on the history of the search for pi as well.

2007-09-02 19:54:04 · answer #3 · answered by Merlyn 7 · 0⤊ 0⤋