Question 839790
 tan(t)=2 with t in quadrant 111 , find sec(t)0?
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Note: Both x and y are negative in QIII
Since tan = y/x, y = -2 and x = -1
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r = sqrt(2^2+1^2] = sqrt(5)
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Your Problem::
sec(t) = r/x = sqrt(5)/-1 = -sqrt(5)
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Cheers,
Stan H.
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