Elijah must study for math quiz #1
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16 Terms
1
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sin x
1 / csc x
2
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cos x
1 / sec x
3
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tan x (simplified)
sin x / cos x
4
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tan x
1 / cot x
5
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csc x
1 / sin x
6
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sec X
1 / cos x
7
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cot x (simplified)
cos x / sin x
8
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cot x
1 / tan x
9
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sin²θ + cos²θ =
1
10
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1 + tan²θ =
sec²θ
11
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1 + cot²θ =
csc²θ
12
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sin(α ± β) =
sin(α)cos(β) ± cos(α)sin(β)
13
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cos (α + β) =
cos(α)cos(β) - sin(α)sin(β)
14
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cos (α - β) =
cos(α)cos(β) + sin(α)sin(β)
15
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sin (2θ) =
2sinθ cosθ
16
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cos (2θ) =
2cos²θ - 1
Note 
Flashcards (65)