Formula for Angle of triangle from opposite and adjacent lengths

M

Mustavagander

I know the lengths, and I know its a TAN function but I cant see how to
actually write the formulae to solve it

I'm using Excel 2003, and I've converted the opposite/adjacent into a tan by
using =tan(x/y) where x is the opposite and y is the adjacent, but how do I
get the number it produces into an angle without physically looking each one
up on a table?
 
D

David Biddulph

If you look at Excel help for the TAN function, you will see that the "See
also" link points to ATAN and ATAN2. Decide which of those you want.
 

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