Tuesday, May 7, 2019

Trig Series

I googled it: how does a calculator find sin and cos values.
Turns out they use the series formulae, below. Interesting
how each pursues a different strategy: the sine removes from
the arc measure created by the angle; the cosine removes
from the unit vector radius.




Animation: Die Kosinusfunktion um die Entwicklungsstelle 0 entwickelt, in sukzessiver Näherung



                                     C.lingg
source:Wikipedia

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