document.write( "Question 839790: If tan 0=2 with 0 in quadrant 111 , find sec 0? \n" ); document.write( "
Algebra.Com's Answer #505852 by stanbon(75887)\"\" \"About 
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tan(t)=2 with t in quadrant 111 , find sec(t)0?
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\n" ); document.write( "Note: Both x and y are negative in QIII
\n" ); document.write( "Since tan = y/x, y = -2 and x = -1
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\n" ); document.write( "r = sqrt(2^2+1^2] = sqrt(5)
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\n" ); document.write( "Your Problem::
\n" ); document.write( "sec(t) = r/x = sqrt(5)/-1 = -sqrt(5)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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