document.write( "Question 839790: If tan 0=2 with 0 in quadrant 111 , find sec 0? \n" ); document.write( "
Algebra.Com's Answer #505850 by lwsshak3(11628)\"\" \"About 
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If tan 0=2 with 0 in quadrant 111 , find sec 0?
\n" ); document.write( "hypotenuse of reference right triangle in quadrant III=√(2^2+1^2)=√5
\n" ); document.write( "cos(0)=1/√5
\n" ); document.write( "sec(0)=1/cos(0)=√5
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