Trig Identities
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0%Unit 3: Trigonometric and Polar Functions
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Last updated 2:26 AM on 2/18/25
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16 Terms
1
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csc
1/sin
2
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sec
1/cos
3
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cot (1/what)
1/tan
4
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tan
sin/cos
5
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cot
cos/sin
6
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sin² + cos²
1
7
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sin² - 1
cos^2
8
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1 + cot²
csc^2
9
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tan² + 1
sec^2
10
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Radian Measure
arc length/radius length
11
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sin(a+b)
sin(a)cos(b) + cos(a)sin(b)
12
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cos(a+b)
cos(a)cos(b) - sin(a)sin(b)
13
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sin(a-b)
sin(a)cos(b) - cos(a)sin(b)
14
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cos(a-b)
cos(a)cos(b) + sin(a)sin(b)
15
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sin(2a)
2sin(a)cos(a)
16
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cos(2a)
cos^2(a) - sin^2(a)
