Tim Vale wrote:
The basic 5.6 Perl build is missing tangent 'tan()' and arctangent 'atn()' functions :( and I don't want to use posix module etc as the script has to run on a clean build - don't ask - far too complicated to explain.
So - does any budding mathematicians out there please know how to emulate these two functions using the simple math functions that are available ?
Is there some correlation with sine and cosine etc ?
I missed that day at school - I guess.
Cheers T
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