1.6 Cosine and Sine Functions

1.6 Cosine and Sine Functions - ± ² ³´µ ...

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Agenda: 0. How was yesterday? 1. Classwork 2. Lesson: 1.6 Cosine and Sine Functions ___________________________________ Lesson: 1.6 Cosine and Sine Functions Goal: Evaluate sine and cosine functions of an angle given a point on the terminal side DOD If is an angle in standard position and if ±²³ ´µ is any point (other than the origin) on the terminal side of , then: ¶·¸ ¹ ² º ¸»¼ ¹ ´ º º ¹ ½ ² ¾ ¿ ´ ¾ À ___________________________________ A reminder about rationalizing the denominator… 1.6 Cosine and Sine Functions Wednesday, August 31, 2011 7:26 AM Ch_1 Page 1
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