1.8 Trig Functions of Special Angles

1.8 Trig Functions of Special Angles - and the horizontal...

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Agenda: 1. Homework Roll 2. Whiteboard Warmup 3. Lesson: 1.8 Trig Functions of Special Angles ____________________________________ Homework Roll Roll HW# 1,2 7 3,4 8 5 9 6 10 ____________________________________ Whiteboard Warmup State the values of all 6 trig functions of an angle whose terminal side goes through the point ±² ³´µ . ____________________________________ Lesson: 1.8 Trig Functions of Special Angles Goal: Find reference angle measures Angles whose terminal side is on the x or y axis Triangles that are either ´±¶ ³ ´±¶ ³ ·¸¶ or ¹¸¶ ³ º¸¶ ³ ·¸¶ What do I mean by special angles? Def'n of Reference Angle Let θ be an angle in standard position. Its reference angle is the acute angle θ ' (theta prime) formed by the terminal side of
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