Special Right Triangles Ratios

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Last updated 7:21 PM on 9/16/26
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24 Terms

1
New cards

sin 30º

1/2

2
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cos 30º

(√3)/2

3
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tan 30º

1/(√3)

4
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sin 60º

(√3)/2

5
New cards

cos 60º

1/2

6
New cards

tan 60º

(√3)

7
New cards

sin 45º

1/(√2)

8
New cards

cos 45º

1/(√2)

9
New cards

tan 45º

1

10
New cards

sin π/6

1/2

11
New cards

cos π/6

(√3)/2

12
New cards

tan π/6

1/(√3)

13
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sin π/4

1/√2)

14
New cards

cos π/4

1/(√2)

15
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tan π/4

1

16
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sin π/3

(√3)/2

17
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cos π/3

1/2

18
New cards

tan π/3

(√3)

19
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sin θ

y/r

20
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cos θ

x/r

21
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tan θ

y/x

22
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csc θ

1/sinθ = r/y

23
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sec θ

1/cosθ= r/x

24
New cards

cot θ

1/tanθ = x/y