document.write( "Question 920192: Write cot(t) in terms of sec(t) if the terminal point determined by t is in the second quadrant.\r
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document.write( "cot (t) =\r
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document.write( "Thanks \n" );
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Algebra.Com's Answer #558207 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Write cot(t) in terms of sec(t) if the terminal point determined by t is in the second quadrant.\r \n" ); document.write( "\n" ); document.write( "cot (t) = \n" ); document.write( "----------- \n" ); document.write( "cot = cos/sin \n" ); document.write( "cos = 1/sec \n" ); document.write( "sin = sqrt(1 - cos^2) = sqrt(1 - 1/sec^2) = sqrt(sec^2-1)/sec \n" ); document.write( "cot = 1/sec/(sqrt(sec^2-1)/sec) \n" ); document.write( " \n" ); document.write( "---- \n" ); document.write( "cot is negative in Q2 \n" ); document.write( " |