Trigonometry › Trig for larger angles

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What's sin(250)? Use the unit circle to tackle bigger angles

CCSS.MATH.CONTENT.HSF.TF.A.2
Explain how the unit circle in the coordinate plane enables the extension of trigonometric functions to all real numbers, interpreted as radian measures of angles traversed counterclockwise around the unit circle.

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https://schoolyourself.org/page/lti/sy/trigonometry/larger-angles

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