4.5 Graphs of Sine and Cosine Functions

# 4.5 Graphs of Sine and Cosine Functions - ± Ã À Ã...

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Agenda: 0. Homework Roll 1. Whiteboard Warmup 2. Lesson - 4.5 Graphs of Sine and Cosine Functions ____________________________________ Homework Roll Roll HW# 1,2 3 3,4 4 5 5 6 6 ____________________________________ Whiteboard Warmup Evaluate without using a calculator or any references. ___________ __________ =__________ ___________ __________ =__________ ____________________________________ Lesson - 4.5 Graphs of Sine and Cosine Functions Goal: Find Amplitude and Period of Sine and Cosine Functions. Let's look at some drawings... DOD Amplitude (of sine and cosine functions): Vertical stretch or shrink of the graph of a sine or cosine function. Usually designated with

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Unformatted text preview: ± Ã À Ã Period (of sine and cosine functions): Horizontal stretch or shrink of the graph of a sine or cosine function. Usually designated with Ä . Normally Å´ . Á ± À ¶·¸ ÄÂ Á ± À ¾¿¶ ÄÂ Period ± ÆÇ È Let's look at some more drawings…. 4.5 Graphs of Sine and Cosine Functions Monday, August 29, 2011 6:47 AM Ch_4 Page 1 Let's look at some more drawings…. Basic shape for sine and cosine graphs ______________________________ Examples Find the period and amplitude. Describe the viewing rectangle. What are the values for and ± ? x-unit= ² ³ x-unit= ² ³ Find the period and amplitude. ´ µ ¶ · ¸¹º » ·¼ ½ ´ µ ¾ º¿À Á ¶ · ¼ Â Ch_4 Page 2 Ch_4 Page 3...
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