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OpenStudy (anonymous):
Calculate the value of cos O in the following triangle.
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OpenStudy (anonymous):
hartnn (hartnn):
could u find the hypotenuse, using pythagoras theorem ?
OpenStudy (anonymous):
Mmm yeah I could, but then there's that whole thing with the cos = adjacent/hypotenuse aannddd then I get lost.
hartnn (hartnn):
so what u got hypotenuse as ?
OpenStudy (anonymous):
544, just have no idea which one the adjacent side is. (stupid question, sorry!)
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hartnn (hartnn):
actually good question, |dw:1353556727616:dw| the side exactly opposite to angle theta is opposite side, then you know which is hypotenuse, the remaining side is adjacent side.
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