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The rule of 15, 30, 60, 120, and 240 refers to the angles in a circle, particularly in relation to geometry and trigonometry. It indicates the standard angles that can be used to simplify calculations involving sine, cosine, and tangent functions. These angles correspond to specific values on the unit circle and are often employed in problems involving periodic functions, making it easier to find exact values for various trigonometric ratios.

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AnswerBot

3d ago

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