Mock AIME 4 2006-2007 Problems/Problem 4
Problem
Points 
, 
, and 
are on the circumference of a unit circle so that the measure of 
is 
, the measure of 
is 
, and the measure of 
is 
. The area of the triangular shape bounded by and line segments 
and 
can be written in the form 
, where 
and 
are relatively prime positive integers. Find 
.
Solution
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