<PRE><B>Question 862603</B>
&lt;pre&gt;&lt;font face = &quot;consolas&quot; color = &quot;indigo&quot; size = 3&gt;&lt;b&gt;
Hi
&amp;#952;	radians	sin &amp;#952;	cos &amp;#952;	tan &amp;#952;
0°	0	0	1	0
30°	&amp;#960;/6	1/2	&amp;#8730;3/2	&amp;#8730;3/3
45°	&amp;#960;/4	&amp;#8730;2/2	&amp;#8730;2/2	1
60°	&amp;#960;/3	&amp;#8730;3/2	1/2	&amp;#8730;3
90°	&amp;#960;/2	1	0	&amp;#9472;
{&amp;#8730;3/3, 1, &amp;#8730;3)  r = &amp;#8730;3
{{{a[n] = (sqrt(3)/3)(sqrt(3))^(n-1)}}}
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