Graphing Sine and Cosine

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7 Terms

1
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How to find the amplitude

Multiplier before the trig function

2
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Cosine starts at…

The top of the range, then middle, down, middle, and up. UMDMU.

3
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Sine starts at…

The middle of the range, then up, middle, down, and middle. MUMDM.

4
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How to find the b-value

Find the multiplier of x. Example: b = 2 when y = sin(2(x - c)) + d

5
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How to find the c-value

Check what is subtracted from x. Example: c = pi/2 when y = cos(b(x - pi/2)) + d

6
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How to find the d-value

Look at the end of the function where there is an addition or subtraction OUTSIDE of the trig function. Example: d = 3 when y = sin(b(x - c)) + 3

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