Problems:
Applications of Trigonometry and Vectors
1. Find the indicated part of each triangle ABC.
C = 118°, b = 130km, a = 75km; find c
The correct answer to this problem is 180 km how did they come up with that answer?
2. Height of a Balloon: The angles of elevation of a balloon from two points A and B on level ground are 24°50' and 47°20', respectively. As shown in the figure, points A, B, and C are in the same vertical plane and points A and B are 8.4 miles apart. Approximate the height of the balloon above the ground to the nearest tenth of a mile. The correct answer to this problem is 2.7 miles how did they come up with this answer?
