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Mathematics 15 Online
OpenStudy (anonymous):

Basic trig help, pic in comments. will medal/fan.

OpenStudy (anonymous):

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OpenStudy (imstuck):

use the law of cosines

OpenStudy (zale101):

Are you familar with laws of cosine?

OpenStudy (anonymous):

thanks guys my bad

OpenStudy (imstuck):

obviously you know it...that's good!

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