Precalc study tool

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Last updated 9:36 PM on 9/3/26
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14 Terms

1
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Sin/cos/csc/sec period

2π/B

2
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Tan/cot period

π/B

3
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Sin/cos/csc/sec interval

Period/4

4
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Tan/cot interval

Period/2

5
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Start point of sin

(Phase shift, midline)

6
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Start point of cos

(Phase shift, A + D)

7
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How to graph sin

  1. Find amplitude, midline, start point, and intervals

  2. Create x-axis and put the y-axis at 0

  3. Plot midline and start point

  4. Plot points in MHMLM if A is positive and MLMHM if A is negative

  5. Connect points with curves


8
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How to graph cos

  1. Find amplitude, midline, start point, and intervals

  2. Create x-axis and put the y-axis at 0

  3. Plot midline and start point

  4. Plot HMLMH if A is positive and LMHML if A is negative

  5. Connect points with curves


9
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How to graph csc

  1. Graph sin

  2. Draw asymptotes

  3. Draw csc curves


10
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How to graph sec

  1. Graph cos

  2. Draw asymptotes

  3. Draw sec curves


11
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Midline

y = D

12
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Amplitude

|A|

13
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Period

2π/B


14
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Phase shift

C/B or set parentheses equal to 0 and solve