Question 613664
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi, 
<img src=" http://upload.wikimedia.org/wikipedia/commons/thumb/7/7e/Trigonometry_triangle.svg/200px-Trigonometry_triangle.svg.png ">
sec&#952;= {{{sqrt(5)}}}
 cos&#952; = 1/{{{sqrt(5)}}} = adj/hyp = b/h  AND a = 2  {{{sqrt(2^2 + 1^2) = sqrt(5)}}}
 sin&#952; = opp/hyp =  2/{{{sqrt(5)}}}
 csc&#952;  = {{{sqrt(5)}}}/2
 tan&#952; = sin&#952;/cos&#952; = 2