SOLUTION: if cot x=3 and cos x>0, what is the exact value of sin x?

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Question 800122: if cot x=3 and cos x>0, what is the exact value of sin x?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
if cot x=3 and cos x>0, what is the exact value of sin x?
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tan = 1/cot = 1/3 = y/x
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--> r = sqrt(x^2 + y^2) = sqrt(10)
sine = y/r = sqrt(10)/10