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Old 11-28-2006   #11
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yeah, moemorizing is hard. I use the thing like ( I forgot? I'll try) SOH CAH TOA
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Old 11-28-2006   #12
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I think you're right although I'm not 100% clear on what you're describing.
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Old 11-28-2006   #13
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a O with a - in the middle

O-
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Old 11-28-2006   #14
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or theta is a symbol for central angle.
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Old 11-28-2006   #15
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Thanks! I forgot that
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Old 11-30-2006   #16
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mr hui how do you get that square root sign and everything
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Old 11-30-2006   #17
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It's relatively simple if you know the syntax. Take a look here: http://www.xpmath.com/exercises/files/learntex.pdf
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Old 12-01-2006   #18
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that is hard to read and memorize
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Old 12-01-2006   #19
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yep
 
Old 12-02-2006   #20
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it sure is...! :^D
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