SOLUTION: Find sin θ and cos θ if the terminal side of θ lies along the line y = 3x in QI

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Question 897811: Find sin θ and cos θ if the terminal side of θ lies along the line
y = 3x
in QI

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Find sin θ and cos θ if the terminal side of θ lies along the line
y = 3x
---------
tan = 3 = y/x
x = 1, y = 3
r+=+sqrt%2810%29
sin = y/r = 3sqrt%2810%29%2F10
cos = x/r = sqrt%2810%29%2F10