SOLUTION: I really don't understand the unit circle. I get the different [arts but I dont know how to apply them to a problem, and how the 45,45,90 and the 30,30,60 triangle comes into play.

SOLUTION: I really don't understand the unit circle. I get the different [arts but I dont know how to apply them to a problem, and how the 45,45,90 and the 30,30,60 triangle comes into play.

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Question 996053: I really don't understand the unit circle. I get the different [arts but I dont know how to apply them to a problem, and how the 45,45,90 and the 30,30,60 triangle comes into play. If you could explain that, I would be so grateful! As an illustration, find the cosine, tangent of 135 degrees. :)
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

this is very good link for you:
http://www.mathsisfun.com/geometry/unit-circle.html
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