document.write( "Question 954968: Find without using a calculator:
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document.write( "(a) sin t, cos t, tan t, cot t, for t= -405 degrees \n" );
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Algebra.Com's Answer #583310 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Find without using a calculator: \n" ); document.write( "(a) sin t, cos t, tan t, cot t, for t= -405 degrees \n" ); document.write( "*** \n" ); document.write( "reference angle for -405˚=360-405=-45˚ (in quadrant IV) \n" ); document.write( "sin t=-√2/2 \n" ); document.write( "cos t=√2/2 \n" ); document.write( "tan t=-1 \n" ); document.write( "cot t=-1 \n" ); document.write( " |