Question 364651
{{{drawing(300,300,-2,10,-2,10,circle(0,0,0.2),grid(1),circle(8,2,0.2),blue(line(8,2,8,0)),blue(line(0,0,8,2)),locate(3.2,0.75,theta),graph(300,300,-2,10,-2,10,0))}}}
{{{HYP^2=ADJ^2+OPP^2}}}
{{{HYP^2=8^2+2^2}}}
{{{HYP^2=64+4}}}
{{{HYP=sqrt(68)}}}
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{{{cos(theta)=ADJ/HYP=8/sqrt(68)=(4sqrt(17))/17}}}
{{{sin(theta)=OPP/HYP=2/sqrt(68)=(sqrt(17))/17}}}
{{{tan(theta)=OPP/ADJ=2/8=1/4}}}
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{{{sec(theta)=sqrt(68)/8=sqrt(17)/4}}}
{{{csc(theta)=sqrt(68)/2=sqrt(17)}}}
{{{cot(theta)=4}}}