SOLUTION: if tan A = 2/3 and if angle A is acute, then sin A = ?

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Question 148517: if tan A = 2/3 and if angle A is acute, then sin A = ?
Answer by stanbon(48558) About Me  (Show Source):
You can put this solution on YOUR website!
if tan A = 2/3 and if angle A is acute, then sin A = ?
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tan A = y/x; y = 2; x = 3
Then r = sqrt(2^2+3^2) = sqrt(13)
sin A = y/x = 2/sqrt(13)
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Cheers,
Stan H.