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Trigonometry 7 Online
OpenStudy (anonymous):

If sin(theta) = -1/2, find sec(theta)

OpenStudy (raden):

sin(theta) = -1/2 theta satisfied for theta = 210 degrees or theta = 330 degrees so, can u evaluate the values of sec210 and sec330 ? (210 and 330 are the special angles in trigono, u have to memorize of them)

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