sec(7π/6) = -2√(3)/3

It isn’t in any quadrant. It isn’t even an ordered pair.

7 pi/6 is in quadrant 3 because 7/6 is between 1 and 3/2.

180 degrees=1*pi

270 degrees=3/2*pi

In 3rd quadrant secant is negative since it is the reciprocal of cos which is also negative in 3nd quadrant.

positive quadrant. 7pi/6 or 7*3.14/6=3.66

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