Points on the Terminal Sides of Angles Play an Important

question 118

Multiple Choice

Points on the terminal sides of angles play an important part in the design of arms for robots. Suppose a robot has a straight arm 20 inches long that can rotate about the origin in a coordinate plane. If the robot's hand is located at (20, 0) and then rotates through an angle of 60 ^o , what is the new location of the hand?

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