Step 1:
\The two angles of the triangle are ,
and one side
.
The sum of the three angles in a triangle is .
The third angle of the triangle .
.
Step 2:
\The law of sines:
\If is a triangle with sides
and
, then
.
Consider
Substitute ,
and
.
.
Step 3:
\Consider
substitute ,
and
.
.
Solution:
\,
and
.