trig identities
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Last updated 10:22 AM on 5/9/25
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11 Terms
1
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1/tan x
cot x reciprocal
2
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1/cos x
sec x reciprocal
3
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1/sin x
csc x reciprocal
4
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sin x/cos x
tan x quotient
5
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cos x/sin x
cot x quotient
6
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sin²x
1 - cos²x =
7
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sec²x
tan²x + 1 =
8
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csc²x
cot²x + 1 =
9
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±sqrt[(1+cos x)/2]
cos (x/2)
10
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±sqrt[(1-cos x)/2]
sin (x/2)
11
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Note 
Flashcards (106)