Question 856997
<pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
&#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;
Sin45 multiply by cos45 = {{{(sqrt(2)/2)(sqrt(2)/2)}}} = 2/4 =  1/2