Unit 5 pre-calc w/ trig
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Last updated 5:17 PM on 1/9/23
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35 Terms
1
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sin x
1/csc x
2
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csc x
1/sin x
3
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cos x
1/sec x
4
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sec x
1/cos x
5
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tan x
1/cot x
6
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cot x
1/tan x
7
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QI: tan x
sin x/cos x
8
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QI: cot x
cosx/sinx
9
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sin²x + cos²x
1
10
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1+tan²x
sec² x
11
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1+cot²x
csc² x
12
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sin(-x)
-sin x
13
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cos(-x)
cos x
14
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tan(-x)
-tan x
15
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csc(-x)
-csc x
16
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sec(-x)
sec x
17
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tan(-x)
-tan x
18
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cot(-x)
-cot x
19
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cos(a-β)
cosa cosβ + sina sinβ
20
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cos(a+β)
cosa cosβ - sina sinβ
21
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sin(α-β)
sina cosβ - cosa sinβ
22
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sin(a+β)
sina cosβ + cosa sinβ
23
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tan(a-β)
(tana-tanβ)/1+tana tan β
24
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tan(a-β)1
(tana+tanβ)/1-tana tan β
25
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sin 2θ
2sinθ cosθ
26
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cos2θ
cos²θ-sin²θ
27
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cos 2θ
2cos²θ-1
28
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cos 2θ
1-2sin²θ
29
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tan 2θ
(2 tan θ)/(1- tan² θ)
30
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sin(a/2)
±(√(1-cosa)/2)
31
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cos(a/2)
±(√(1+cosa)/2)
32
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tan (a/2)
±(√(1-cosa)/1+cosa)
33
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sin²θ
(1-cos2θ)/2
34
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cos²θ
(1+cos2θ)/2
35
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tan²θ
(1-cos2θ)/(1+cos2θ)