Math 2

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Trig

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17 Terms

1
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Sin

Opposite over hypotenuse. SOH

2
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Cos

Adjacent over hypotenuse. CAH

3
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Tan

Opposite over adjacent. TOA

4
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30-60-90 Triangle

Hypotenuse: 2 Adjacent: √3 Opposite: 1

<p>Hypotenuse: 2 Adjacent: √3 Opposite: 1 </p>
5
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45-45-90 Triangle

Hypotenuse: √2 Adjacent: 1 Opposite: 1

<p>Hypotenuse: √2 Adjacent: 1 Opposite: 1 </p>
6
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CAST

C= Cos A= All positive S= Sin T= Tan

7
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csc (Opposite of Sin)

Hypotenuse/opposite

8
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sec (Opposite of Cos)

Hypotenuse/adjacent

9
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cot (Opposite of tan)

Adjacent/opposite

10
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Quad 1

90°

11
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Quad 2

180°

12
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Quad 3

270°

13
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Quad 4

0°, 360°

14
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90°

(0,1)

15
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180°

(-1,0)

16
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270°

(0,-1)

17
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360°

(1,0)