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2D All the way! / Trigonometry and 2d

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BadMonkey91
22
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Joined: 13th Jan 2004
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Posted: 21st Oct 2004 05:49
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I'm having trouble in couple different areas, and was hoping some math genious could pull me thru.

I have two points, and from that I want to create a triangle, to determine an angle. The problem is, I can't figure the code to find the length between the two lines, and I'm rusty on my trig.

If you could help, it would be much appreciate!

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Phaelax
DBPro Master
23
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Joined: 16th Apr 2003
Location: Metropia
Posted: 21st Oct 2004 08:36
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you need 3 points to make a triangle. 2 points only gets you 1 line.

"eureka" - Archimedes
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spooky
23
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Joined: 30th Aug 2002
Location: United Kingdom
Posted: 21st Oct 2004 23:54
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Try this and see if it is what you want



Boo!
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BadMonkey91
22
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Joined: 13th Jan 2004
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Posted: 22nd Oct 2004 08:36
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thanks alot spooky!

that's just what I needed, I was messing with arctan earlier today, with no luck.

I owe you one.

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