SOLUTION: 1) Given ABC, a=50, α=60º, ß=75º, find c.? 2) Solve ABC, given a=5, b=7,c=9

Algebra ->  Trigonometry-basics -> SOLUTION: 1) Given ABC, a=50, α=60º, ß=75º, find c.? 2) Solve ABC, given a=5, b=7,c=9      Log On


   

Question 1109676: 1) Given ABC, a=50, α=60º, ß=75º, find c.?
2) Solve ABC, given a=5, b=7,c=9
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
1) Given ABC, a=50, α=60º, ß=75º, find c.?
Step 1, find the 3rd angle.
Step 2, use the Law of Sines.
=====================
2) Solve ABC, given a=5, b=7,c=9
Use the Cosine Law to find 1 angle.
Then either Sine or Cosine law for a 2nd angle.
Then find the 3rd angle.