AP PRE CALC TRIG

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13 Terms

1
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tan(𝜃)

sin(𝜃)/cos(𝜃)

2
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cos(a - b)

cos(a)cos(b) + sin(a)sin(b)

3
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sin(a + b)

sin(a)cos(b) + cos(a)sin(b)

4
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sin(a - b)

sin(a)cos(b) - cos(a)sin(b)

5
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cos(2𝜃) (definition 1)

cos^2(𝜃) - sin^2(𝜃)

6
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sin(2𝜃)

2sin(𝜃)cos(𝜃)

7
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cos(2𝜃) (definition 2)

1 - 2sin^2(𝜃)

8
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cos(2𝜃) (definition 3)

2cos^2(𝜃) - 1

9
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cos(-𝜃)

cos(𝜃)

10
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sin(-𝜃)

-sin(𝜃)

11
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sec(-𝜃)

sec(𝜃)

12
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csc(-𝜃)

-csc(𝜃)

13
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cos(a + b)

cos(a)cos(b) - sin(a)sin(b)