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LEARN MISSIONtrigonometric ratios, radians, and periodicity
trigonometric ratios, radians, and periodicity
WORKED MODEL: At angle pi/3, the unit-circle point is (1/2, sqrt(3)/2). What are cos(5pi/6) and sin(5pi/6)?
MODELUnit-Circle Navigator
ADV MATH
PROVEChoose with evidence
CLUE
Follow the model, then explain why it transfers.