trigonometry
posted by Britt on .
Use the given information to solve the triangle.
1) C = 145 degrees, b = 4, c = 14.
2) A = 150 degrees, C = 20 degrees, a = 200.

sinB = b sinC/c
having B you now have A = 180  (B+C)
a = c sinA/sinC
the second is easier. You already know that B = 10 degrees. now just use b/sinB = c/sinC = a/sinA