Specifying two angles
and
and a side
opposite
uniquely determines a triangle
with area
|
(1)
| |||
|
(2)
|
The third angle is given by
|
(3)
|
since the sum of angles of a triangle is (
radians). Solving the law
of sines
|
(4)
|
for gives
|
(5)
|
Finally,
|
(6)
| |||
|
(7)
| |||
|
(8)
|