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Law of Sines problems

Law of Sines word problem example

A radio antenna is attached to the top of the building. From a point 12.5 meters from the base of the building, on level ground, the angle of elevation of the bottom of the antenna is 47.2 degrees and the angle of elevation of the top is 51.8 degrees. Find the height of the antenna.

 

Solution to this Law of Sines word practice problem is provided in the video below!



 

Law of Sines Triangle Area PROOF problem

Show that for any triangle the area is one-half the product of any two sides and sine of the angle formed between these sides. That is, 

 

Solution to this Law of Sines Triangle Area PROOF practice problem is provided in the video below!



 




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