SOLUTION: Find tan theta if sine (theta/2) = 3/5 (Using the 1/2 angle rule)

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Question 882232: Find tan theta if sine (theta/2) = 3/5 (Using the 1/2 angle rule)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find tan theta if sine (theta/2) = 3/5 (Using the 1/2 angle rule)
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Formula: tan(x/2) = sqrt[(1-cos(x))/(1+cos(x)]
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tan(t) = sqrt[(1-(4/5))/(1+(4/5)]
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tan(t) = sqrt[(1/5)/(9/5)]
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tan(t) = sqrt[(1/9)]
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tan(t) = 1/3
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Cheers,
Stan H.
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