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Mathematics 10 Online
OpenStudy (anonymous):

Help !!!!!!!!!! Medal + Fan Look At Attachment

OpenStudy (anonymous):

OpenStudy (anonymous):

well you know about the trig ratios of sin,cos, and tan right?

OpenStudy (anonymous):

did we just answer this?

OpenStudy (anonymous):

\[\cos C = \frac{ CB }{ CA }\]Substitute numerics for CB an CA and take the inverse cosine.

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