Basic Trigonometry Identities
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Last updated 4:04 AM on 4/28/25
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14 Terms
1
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cot² θ + 1
cos² θ /sin² θ
2
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tan θ
sin² θ /cos² θ
3
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csc² θ
1+ cot² θ
4
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1
sin²θ+cos²θ=?
5
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sec²
tan²x +1
6
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sin(u+v)
sin(u)cos(v)+cos(u)sin(v)
7
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sin²x
1-cos²x
8
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cos²x
1-sin²x
9
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csc²x
cot²x+1
10
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cos(u-v)
cos(u)cos(v)+sin(u)sin(v)
11
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tan(x-y)
(tanx-tany)/(1+tanxtany)
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cos(θ)
sin(π/2-θ)
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law of sines
sin(A)/a=sin(B)/b=sin(C)/c
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law of cosines
a²=b²+c²-2(b)(c)cos(A)
Note 
Flashcards (106)