Fall Unit 5 AP Precalc Formulas

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15 Terms

1
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sin²x+cos²x

1

2
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csc²x-1

cot²x

3
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sec²x-1

tan²x

4
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sin(A+B)

sinAcosB+cosAsinB

5
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sin(A-B)

sinAcosB-cosAsinB

6
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cos(A+B)

cosAcosB-sinAsinB

7
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cos(A-B)

cosAcosB+sinAsinB

8
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tan(A+B)

tanA+tanB/1-tanAtanB

9
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tan(A-B)

tanA-tanB/1+tanAtanB

10
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sin2A

2sinAcosA

11
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cos2A

cos²A-sin²A

2cos²A-1

1-2sin²A

12
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tan2A

2tanA/1-tan²A

13
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sinx/2

±√1-cosx/2

14
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cosx/2

±√1+cosx/2

15
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tanx/2

1-cosx/sinx

sinx/1+cos

±√1-cosx/1+cosx