document.write( "Question 647906: Suppose 90degrees < theta < 180degrees. Determine with reasons whether each of the following is positive or negative.\r
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document.write( "A. tan(theta + 180degrees)\r
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document.write( "B. cot (theta/2)\r
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document.write( "C. sec (-theta) \n" );
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Algebra.Com's Answer #406490 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Suppose 90degrees < theta < 180degrees. Determine with reasons whether each of the following is positive or negative. \n" ); document.write( ".. \n" ); document.write( "A. tan(theta + 180degrees): negative \n" ); document.write( "This moves the standard position of theta from quadrant II to quadrant IV where tan<0 \n" ); document.write( ".. \n" ); document.write( "B. cot (theta/2): negative \n" ); document.write( "Theta remains in quadrant II where cot<0 \n" ); document.write( ".. \n" ); document.write( "C. sec (-theta): positive \n" ); document.write( "Theta is in quadrant IV where sec>0 \n" ); document.write( "(note: angle not in given domain) \n" ); document.write( " |