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Unformatted text preview: 6 3π 2 π 4 2π 2π 4 1 = = = ⋅ Note: To make graphing the phase shift easier, we will use an xincrement of 6 π . 4. phase shift = 6 2π or 3 π right 6 2π 3 π x 3 π x = = → =5. vertical shift = 1 up 6. 5 key points: 1 , 6 2π 1, 6 5π 1 , 6 8π 3 , 6 11π 1 , 6 14π 7. 1 Trig F07 O’Brien Example 2: y = 3 1 cos (4x + π) – 2 1. a = 3 1 b = 4 c = –π d = –2 = – 3 6 2. amp = 3 1 = 3 1 There is no xaxis reflection. 3. period = 2 π 4 2π = xincrement = 8 π 2 π 4 1 = ⋅ 4. phase shift = 4 π or 8 2π left 8 2π 4 π x π 4x π 4x== →= → = + 5. vertical shift = 2 or 3 6 down 6. 5 key points: 3 5 8 2π , 3 6 8 π , 3 7 , 3 6 8 π , 3 5 8 2π , 7. 2...
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 Summer '10
 Smith
 Trigonometry, xaxis reflection

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