Friday, September 13, 2013

10 Secret Trig Functions Your Math Teachers Never Taught You

math, trigonometry, haversine, exsecant
On Monday, the Onion reported that the “Nation’s math teachers introduce 27 new trig functions.” It’s a funny read. The gamsin, negtan, and cosvnx from the Onion article are fictional, but the piece has a kernel of truth: there are 10 secret trig functions you’ve never heard of, and they have delightful names like “haversine” and “exsecant.”

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