4.4 Trig Functions of Any Angle

4.4 Trig Functions of Any Angle - 4.4 Trig Functions of Any...

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Unformatted text preview: 4.4 Trig Functions of Any Angle Wednesday, August 24, 2011 6:38 AM Agenda: 1. Classwork 2. Lesson: 4.4 Trig Functions of Any Angle ___________________________________ Lesson: 4.4 Trig Functions of Any Angle Goal: Find the trig values and reference angle for any angle. DOD Def'n of Trig Functions of any angle Let θ be an angle in standard position with and . a point on the terminal side of θ 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 θ and the horizontal axis. (Reference angles will help us to find the values of special trig functions!) ______________________________________ Ch_4 Page 1 ______________________________________ Examples Let be a point on the terminal side Given and of θ. Find the value of all 6 trig functions. and . What quadrant are we in? What quadrant are we in? Find the reference angle θ' Ch_4 Page 2 , find ...
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This note was uploaded on 11/19/2011 for the course MATH 180 taught by Professor Byrns during the Spring '11 term at Montgomery College.

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