SOLUTION: if cos of beta = 2/3 what is the tan of beta?
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Question 681582: if cos of beta = 2/3 what is the tan of beta?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
if cos of beta = 2/3 what is the tan of beta?
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cos = x/r, so if cos = 2/3, x = 2 and r = 3
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Solve for "y":
y^2 = r^2-x^2
y = sqrt[3^2-2^2] = sqrt(5)
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Now you know x,y, and r so you can calculate ALL of the trig
functions for the angle beta.
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tan = y/x = sqrt(5)/2
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Cheers,
Stan H.
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