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Tool: Crane Ship
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Description: Applet teaches an intuitive feel for the geometric length of sin(t) given the length of the hypotenuse and t. A crane is stationed on a ship. Its wire has the length of sin(t), where t is the angle of the crane's elevation from the deck of the ship.
Technology Type: Java Applet 
Author: International Education Software (IES)
Language: English 
Cost: Does not require payment for use

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Courses: Trigonometry sin, cos and tan, The Unit Circle