unit 2 review
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Last updated 12:43 AM on 10/10/22
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15 Terms
1
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rad -> deg
180/π
2
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deg -> rad
π/180
3
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arc length
s = rθ
4
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area of a sector
A = 1/2(r^2)θ
5
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complimentary angle therom
opposite trig function, angle that makes the o.g equal 90
6
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reference angle -q1
θ
7
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reference angle -q2
180 - θ
8
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reference angle -q3
θ - 180
9
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reference angle -q4
360 - θ
10
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sin30, cos60
1/2
11
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cos30, sin60
√3/2
12
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tan30
√3/3
13
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sin45, cos45
√2/2
14
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tan45
1
15
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tan60
√3
