INTRODUCTORY EXERCISES-Modelling with Trigonometric Functions

(3) The angle of elevation to the top of the Empire State Building in New York is found to be 11o from the ground at a distance of 1 mile from the base of the building. Using this information, find the height of the Empire State Building.


	         opposite side
	tan  = --------------- 
	         adjacent side

	tan 11o = --- = x

	tan 11o = 0.1944

	 x = 0.1944 miles

       (Recalling that there are 5280 feet/mile, 
	0.1944 miles*5280 feet/mile = approximately 1026 feet)

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