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OpenStudy (noseboy908):
Pre-Calculus: sin Θ=(1/2), sec Θ<0. Find cos Θ and tan Θ.
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OpenStudy (anonymous):
You know that sin is positive and sec (cos) is negative. You must be in quadrant II. Sine is opposite/hypotenuse. |dw:1391555371079:dw| find the adjacent side using the Pythagorean theorem. (a^2 + b^2 = c^2)
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