Radians Quick guide to radians 2.5 / 5 based on 3 ratings ? PhysicsRadioactivityMaths for physicsA2/A-level Created by: Chris MorrisCreated on: 25-01-10 18:42 Radians Angles can be expressed in Radians. The radian of an angle is the arc-length divided by the radius of the circle. Angle in radian = 2π / 360 x angle in degrees 1 radian = 57° 45° = π / 4 90° = π / 2 180° = π 360° = 2π 1 of 1
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