what kind of maths do i need to go into programming?

[serev]

atan, cos and sin would be trigonometry. In scripting they're useful for things like change over time, such as sin(time); which can also be useful for generating random numbers like rand(sin(time)); as well as other things since sin/cos/tan functions generate oscillating waves like this:
http://jwilson.coe.uga.edu/EMT668/EMAT6680.2002.Fall/Dufera/Sine.Expl/image3.gif

but I'm afraid that's where my knowledge of use for these functions end so far as scripting is concerned. I really don't know of any books that are useful on the subject other than trig textbooks, but you might try looking for animation books that include trig and its uses in animation and scripting since those would actually show how trig is useful instead of simply how to solve for angles, etc.

Hope some of this helps ~.^

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