Trig Identities
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14 Terms
1
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tanθ=
sinθ/cosθ
2
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cotθ=
cosθ/sinθ
3
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cscθ=
1/sinθ
4
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secθ=
1/cosθ
5
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cotθ=
1/tanθ
6
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sin2 θ + cos2 θ=
1
7
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tan2 θ + 1=
sec2 θ
8
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cot2 θ + 1=
csc2 θ
9
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cos(- θ)=
cos θ
10
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sec(- θ)=
sec θ
11
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sin(- θ)=
-sin θ
12
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csc(- θ)=
-csc θ
13
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tan(- θ)=
-tan θ
14
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cot(- θ)=
-cot θ
Note 
Flashcards (33)