SOLUTION: if the angle theta is in the second quadrant, and sin of theta is 1/9, what is tan of theta?

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Question 806822: if the angle theta is in the second quadrant, and sin of theta is 1/9, what is tan of theta?
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
if the angle theta is in the second quadrant, and sin of theta is 1/9, what is tan of theta?
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cosx=-√(1-sin^2x)=√(1-1/81)=√(80/81)=√80/9
tanx=sinx/cosx=1/√80=√80/80=4√5/80=√5/20