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5.01.mp4Converting Degrees to Radians and Radians to Degrees
Converting Degrees to Radians and Radians to Degrees
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RADIANS
RADIANS
Given a circle with the vertex of an angle as the center of the circle, the distance from the center to the circle is the radius r. Since the circumference of the circle is 2πr, we know that there are 2π radians around the circle. Therefore, a rotation halfway around the circle would measure π radians and so forth.
Khan Academy Practice:
Khan Academy Practice:
TRIGONOMETRIC FUNCTIONS
TRIGONOMETRIC FUNCTIONS
Let θ be an acute angle of a right triangle. The six trigonometric functions of angle θ can be defined by the ratios of the sides of the triangle.
Khan Academy Practice:
Khan Academy Practice:
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