SOLUTION: Find cos(theta) using tan 2(6^1/2)

Question 589344: Find cos(theta) using tan 2(6^1/2)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
tan 2(6^1/2)
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tan[2*sqrt(6)]
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Is the angle 2*sqrt(6) or is this a double angle form, ie tan[2(sqrt(6)]?
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If the angle is 2sqrt(6) the answer is -5.2970
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Cheers,
Stan H.
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