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Jul
27
comment Solve $\cos(z)=\frac{3}{4}+\frac{i}{4}$
Why can you replace $t$ with $z$ on the LHS of that quadratic formula, when $t = e^{iz}$?
May
1
comment A calculator's solution to irrational exponent
@TonyK OK to be precise I'll edit...
Oct
17
comment Resolving an area of a polygon with sides known
Good example. By 'more than...' you mean angles, or other elements?
Oct
17
comment Resolving an area of a polygon with sides known
That's interesting. I never thought there was such a way to figure it out with its perimeter.