You can put this solution on YOUR website! if theta =(7pi)/6, then find exact value for the following:
sec(theta)= ?
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The reference angle is (1/6)pi.
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sec is negative in the 3rd Quadrant
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sec[(7/6)pi] = -sec[(1/6)pi] = -2/sqrt(3)
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Cheers,
Stan H.
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