Precalc Unit 1 "Trigonometry"

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Last updated 8:44 PM on 8/30/26
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10 Terms

1
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Formula for Degrees to Radians

Pi/180

2
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Formula for Radians to Degrees

180/Pi

3
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Arc length formula

S=r(theta)

4
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Sector area formula

Asector=1/2 r² (theta)

5
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Sin

opp/hyp

6
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Cos

adj/hyp

7
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Tan

opp/adj

8
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csc

1/sin - hyp/opp

9
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Sec

1/cos - hyp/adj

10
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Cot

1/tan - adj/opp