Lemma
EasyAngle measure
OpenStax, Algebra and Trigonometry 2e §7.1 Angles · Try It 10 · Trigonometry · Angle measure

Angles · Try It 10

A vintage vinyl record is played on a turntable rotating clockwise at a rate of 45 rotations per minute. Find the angular speed in radians per second.

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OpenStax, Algebra and Trigonometry 2e · §7.1 Angles · Try It 10

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