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OpenStudy (mathisfun13):
is memorizing EVERY formula in mathematics necessary? Which formulas should you memorize and why?
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OpenStudy (anonymous):
thats self explanatory
OpenStudy (zzr0ck3r):
1) No! 2) Pythagorean's Theorem and Triangle inequality 3) Because most things can be done with it:)
OpenStudy (zzr0ck3r):
well and e^(i*pi)=-1 because its pretty
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