document.write( "Question 927346: Please review my work for trigonometry THANKS?
\n" ); document.write( "Find the exact values of each of the five trig values: \r
\n" ); document.write( "\n" ); document.write( "tan(7π/2)
\n" ); document.write( "tan(7π/2 - 2π/1)
\n" ); document.write( "tan(7π/2 - 4π/2)
\n" ); document.write( "tan(3π/2) = -1/0, undefined \r
\n" ); document.write( "\n" ); document.write( "sin(75π)
\n" ); document.write( "sin(5π-4π)
\n" ); document.write( "sin(π) = 0 \r
\n" ); document.write( "\n" ); document.write( "sec(9π/4)
\n" ); document.write( "sec(9π/4 - 2π/1)
\n" ); document.write( "sec(9π/4 - 8π/4)
\n" ); document.write( "sec(π/4)
\n" ); document.write( "1/cos(π/4)
\n" ); document.write( "cos(π/4) = √(2)/2 \r
\n" ); document.write( "\n" ); document.write( "sin(-π/6) = -1/2 \r
\n" ); document.write( "\n" ); document.write( "Please look for any errors including illogical mathematical notion
\n" ); document.write( "THANK YOU!
\n" ); document.write( "

Algebra.Com's Answer #562893 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
tan(7π/2) =\"infinity\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "tan(7π/2 - 2π/1) =\"infinity\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "tan(7π/2 - 4π/2)= \"infinity\"\r
\n" ); document.write( "\n" ); document.write( "tan(3π/2)= \"infinity\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "sin(75π) =\"0\"\r
\n" ); document.write( "\n" ); document.write( "sin(5π-4π)=sin(π) =\"0\"\r
\n" ); document.write( "\n" ); document.write( "sin(π) = \"0\" \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "sec(9π/4) =sec(3π/2) =\"infinity\"\r
\n" ); document.write( "\n" ); document.write( "sec(9π/4 - 2π/1)=sec(9π/4 - 8π/4)=sec(π/4)=\"sqrt%282%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "sec(9π/4 - 8π/4)=\"sqrt%282%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "sec(π/4) =\"sqrt%282%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "1/cos(π/4) =\"sqrt%282%29\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "cos(π/4) = \"sqrt%282%29%2F2+\"\r
\n" ); document.write( "\n" ); document.write( "sin(-π/6) = \"-1%2F2\"\r
\n" ); document.write( "\n" ); document.write( "
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