Interval Notation (P

Trig and the Unit Circle (5.1, 5.2) Def’n The . unit circle. is centered at . with radius 1, and is given by the. equation . Rule The six trig functions are defined on. the unit circle for an arc of length t . as follows: Common QI Arcs (5.2) t 0 0 1 1 0 Signs of Trig Functions (5.2) Rule The signs of the trig functions are. given as follows: ................
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