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AP Precalc 2025
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17 Terms
1
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sinθ =
1 / cscθ
2
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cscθ =
1 / sinθ
3
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cosθ =
1 / secθ
4
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secθ =
1 / cosθ
5
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tanθ =
1 / cotθ
6
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cotθ =
1 / tanθ
7
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sinθ / cosθ =
tanθ
8
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cosθ / sinθ =
cotθ
9
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sin2θ + cos2θ =
1
10
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1 - cos2θ =
sin2θ
11
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1-sin2θ =
cos2θ
12
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tan2θ + 1 =
sec2θ
13
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sec2θ - 1 =
tan2θ
14
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1 + cot2θ =
csc2θ
15
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csc2θ - cot2θ =
1
16
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csc2θ - 1 =
cot2θ
17
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2sinθcosθ =
sin2θ
Note 
Flashcards (50)