Trig Ratios on Circles
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14 Terms
1
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sin(x)
y/r
2
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sine calculates…
Vertical displacement (y)
3
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Trig Ratio Input
An angle (degrees or radians)
4
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Trig Ratio Output
Ratio of two sides
5
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Theta is always at…
The origin
6
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cos(x)
x/r
7
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Cosine calculates…
Horizontal displacement (x)
8
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tan(x)
y/x
9
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tangent calculates…
Ratio of vertical to horizontal displacement
10
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csc(x)
r/y
11
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sec(x)
r/x
12
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cot(x)
x/y
13
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Cosecant corresponds to…
Sine
14
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Secant correpsonds to…
Cosine
Note 
Flashcards (160)