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OpenStudy (anonymous):
Look at the triangle. What is the value of cos x*?
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OpenStudy (anonymous):
OpenStudy (anonymous):
15/17
OpenStudy (anonymous):
Thanks!! could you tell me how you got that please?:)
OpenStudy (anonymous):
Apply the definition of the Cosine function to the diagram. http://www.mathsisfun.com/sine-cosine-tangent.html
OpenStudy (anonymous):
OMGSHNESS!!!!! I have totally forgotten how to do these ones!! thanks soooo much:)
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OpenStudy (anonymous):
Your welcome and thanks for the medal.
OpenStudy (anonymous):
Sure:)
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