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The Pythagorean theorem is really useful for any construction. Builders use it regularly. More experienced DIYers also use it. Not a good example of rarely used
by tuatoru 5y ago
The Pythagorean theorem is really useful for any construction. Builders use it regularly. More experienced DIYers also use it. Not a good example of rarely used schoolbook learning.
How about obscure stuff about hyperbolic trig functions (sinh, tanh and so on)?
- voidhorse 5y agoI actually just had to use some sin/cos the other day while programming some audio stuff so there ya go. Not so useless after all.
- alanbernstein 5y agoI remember telling a friend once in high school, that I was kind of happy to find a good real-world use for cubic polynomials. She asked what it was, so I started "well I was programming..." and she interrupted, "of course math is useful for programming, that doesn't count".