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Reference Angles and Angles in the Unit Circle
Formed between the terminal side of an angle and the closest part of the x-axis.
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Determining Trig Function Values Using Reference Angles and Reference Triangles
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Uses reference angles and reference triangles to determine the values of the 6 trigonometric functions.
MAT.TRG.105.06 (Reference Angles and Angles in the Unit Circle - Trigonometry)
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