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Introducing the unit circle and it's family of functions ...
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A bicycle wheel has a diameter of 0.4 meters. A point on the outer rim travelled 2.6 m. How many degrees has the wheel turned?
A bicycle wheel has a diameter of 0.4 meters. A point on the outer rim travelled 2.6 m. How many radians has the wheel turned?
How many radians are there between the minute and hour hands of a clock at 4:00?
State a positive coterminal angle for .
In a circle of radius 6 cm, a sector has a central angle of 30°. What is the area of this sector in square centimeters?
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