SOLUTION: Evaluate the sec 30 without a calculator

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Question 370380: Evaluate the sec 30 without a calculator
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Evaluate the sec 30 without a calculator
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sec(30) = 1/cos(30) = 1/[sqrt(3)/2] = 2/sqrt(3) = (2/3)sqrt(3)
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Cheers,
Stan H.