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I need help with one geometry question !!!!
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Reduce 7/14
1/2 ?
Now look at your 30-60-90 triangle and see which angle has cosine of 1/2
i dont have a triangle :/
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|dw:1392177533864:dw|
these are my choices
Well, you should be able to draw one.
What is the definition of cosine?
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