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# Pc 6.1 2-apps

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### Pc 6.1 2-apps

1. 1. February 8, 2012LOS and LOCApplication Problems!Objective:Use the law of sines and law of cosines to solvereal life problems. 1
2. 2. February 8, 2012Ex. 1) Two observers 2.32 miles apart see a hot-airballoon directly between them. Observer A spots it at a28o angle of elevation and Observer B spots it at a 37oangle of elevation. What is the altitude of the balloon? 2
3. 3. February 8, 2012Ex. 2) A vertical flagpole stands on a road that slopes at anangle of 15o with the horizontal. When the angle ofelevation of the sun is 62o, the flagpole casts a 16-ftshadow downhill along the road. Find the height of theflagpole. 3
4. 4. February 8, 2012Ex. 3) A ship travels 40 miles due east and then changesto a northward direction. When the ship has traveled 30miles at this heading, it is 56 miles from its point ofdeparture. Find the bearing from its point of departureand when it changed course. 4
5. 5. February 8, 2012Ex. 4) Two ships leave port at 9 am. One travels at abearing of N 53o W at 12 mph, while the other travels at abearing of S 67o W at 16 mph. How far apart will the shipsbe at noon? 5
6. 6. February 8, 2012Assignment:p. 437 #35-40 (all),43p. 443 #29-37 (all) 6