Warm Up

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Warm Up
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Homework
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• Given the general form of the equation y a
  cosx, write an explanation describing specific
  changes to the graph for different values of a.
• Given the general form of the equation y
  cos(bx), write an explanation describing specific
  changes to the graph for different values of b.
• Given the general form of the equation y d
  cosx, write an explanation describing specific
  changes to the graph for different values of d.
• Given the general form of the equation y cos(x
  c), write an explanation describing specific
  changes to the graph for different values of c.

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The Sine curve
2?
2?
Y sin x
Y -Sin x
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2?
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2?
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2?
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2?
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The Cosine curve
2?
2?
Y Cos x
Y -Cos x
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General Form

• Y Asin(BxC) D
• Or
• Y Acos(BxC) D