document.write( "Question 1061978: If sin theta = -5/13 and theta terminates in 3rd quadrant find cos theta and tan theta. \n" ); document.write( "

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\n" ); document.write( "If sin theta = -5/13 and theta terminates in 3rd quadrant find cos theta and tan theta.
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document.write( "With y = - 5, and r = 13, we have a 5-12-13 Pythag-triple triangle
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document.write( "Therefore, x MUST = - 12 (x is NEGATIVE in 3rd quadrant)
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