Question 854305
<pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
acute angle &#952;, 
&#952;	radians	sin &#952;	cos &#952;	tan &#952;
0°	0	0	1	0
30°	&#960;/6	1/2	&#8730;3/2	&#8730;3/3
45°	&#960;/4	&#8730;2/2	&#8730;2/2	1
60°	&#960;/3	&#8730;3/2	1/2	&#8730;3
90°	&#960;/2	1	0	&#9472;
cot(&#952;)=1
tan(&#952;)=1
sin(&#952;)= &#8730;2/2
csc(&#952;)= 2/&#8730;2
cos(&#952;)=&#8730;2/2
sec(&#952;)=2/&#8730;2
Following (cosx, sinx) Unit Circle Summary for Your reference, as well
<img src='http://img9.imageshack.us/img9/2032/mfpe.png'border='0'/></a>