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Unformatted text preview: Quadrants: S A T C A ll of the six basic trig functions are positive in Quadrant I. (They are all positive for acute angles.) S in and its reciprocal, Csc, are positive in Quadrant II. (The other four functions are negative.) T an and its reciprocal, Cot, are positive in Quadrant III. C os and its reciprocal, Sec, are positive in Quadrant IV. Example sin 7 6 = 1 2 , because sin 6 = 1 2 , and 7 6 is in Quadrant III....
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This note was uploaded on 12/29/2011 for the course MATH 150 taught by Professor Sturst during the Fall '10 term at SUNY Stony Brook.
 Fall '10
 sturst

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