Okay, well theres 3 questions...all for the Sin and Cosine Laws. Some are meant for the diagrams to be viewed as 2D while some maybe 3D....
...I'm simply asking for help on these 3 questions cause i totally blanked when doing them...
...If you're a rep chaser then ill plus rep with ease for trying to help...
...Please help out...
1) Two roads intersect at 34°. Two cars leave the intersection on different roads at speeds of 80km/h and 100km/h. After 2 hours, a traffic helicopter that is above AND between the two cars takes readings on them. The angle of depression to the slower car is 20°, and the straight-line distance from the helicopter to that car is 100km. Assume that both cars are travelling at a constant speed.
a ) Calculate the straight-line distance, to the nearest kilometre, from the helicopter to the FASTEST car. Explain your reasoning for each step of your solution
b ) Determine the altitude of the helicopter ot the nearest kilometre.
2) Two forest fire towers, A and B, are 20.3km apart. The bearing from A to B is N70°E. The ranger in each tower observes a fire and radios the fire's bearing from the tower. The bearing from tower A is N25°E. From tower B, the bearing is N15°W. How far is the fire from each tower?
3) From the top of a 50m high bridge, two boats are seen at anchor. One boat is S50°W and has an angle of depression of 38°. The other boat is S60°E and has a 35° angle of depression. How far apart are the boats?
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And PLEASE if you can include the diagrams which you WILL have to do in order to solve these problems just to stay organized, but PLEASE if you could somehow include them onto a post or a link to view them....REP FOR LIFE....
If i could please acquire help today (because it's kind of needed now), it would be amazing
Again, real help, plus rep, respect for life!
xPeace