AP Pre Calc TEST

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20 Terms

1
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1/csc (θ) =

sin (θ)

2
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1/sec (θ) =

cos (θ)

3
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1/cot (θ) =

tan (θ)

4
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1/sin (θ) =

csc (θ)

5
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1/cos (θ) =

sec (θ)

6
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1/tan (θ) =

cot (θ)

7
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sin (θ) / cos (θ) =

tan (θ)

8
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cos (θ) / sin (θ) =

cot (θ)

9
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sin²(θ) + cos²(θ) =

1

10
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1 + tan²(x) =

sec²(x)

11
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1 + cot²(θ) =

csc²(θ)

12
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1 - cos²(θ) =

sin²(θ)

13
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1 - sin²(θ) =

cos²(θ)

14
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sec²(θ) - 1 =

tan²(θ)

15
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sin(α±β)

sinαcosβ±cosαsinβ

16
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cos(α±β)

cosαcosβ∓sinαsinβ

17
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2sinθcosθ

sin(2θ)

18
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2cos²θ-1

cos(2θ)

19
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1-2sin²θ

cos(2θ)

20
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cos²θ-sin²θ

cos(2θ)