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Mathematics 12 Online
OpenStudy (anonymous):

I need help with one geometry question !!!!

OpenStudy (anonymous):

OpenStudy (mertsj):

Reduce 7/14

OpenStudy (anonymous):

1/2 ?

OpenStudy (mertsj):

Now look at your 30-60-90 triangle and see which angle has cosine of 1/2

OpenStudy (anonymous):

i dont have a triangle :/

OpenStudy (mertsj):

|dw:1392177533864:dw|

OpenStudy (anonymous):

these are my choices

OpenStudy (mertsj):

Well, you should be able to draw one.

OpenStudy (mertsj):

What is the definition of cosine?

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