Pre Calculus - Trig Identities

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Pre-Calculus

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34 Terms

1
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sin(x)

1/csc(x)

2
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cos(x)

1/sec(x)

3
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tan(x)

1/cot(x)

4
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csc(x)

1/sin(x)

5
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sec(x)

1/cos(x)

6
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cot(x)

1/tan(x)

7
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tan(x)

sin(x)/cos(x)

8
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cot(x)

cos(x)/sin(x)

9
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cos(x)Ā²+sin(x)Ā²

1

10
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1+cot(x)Ā²

csc(x)Ā²

11
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sec(x)Ā²-tan(x)Ā²

1

12
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tan(-x)

-tan(x)

13
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cot(-x)

-cot(x)

14
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sin(-x)

-sin(x)

15
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csc(-x)

-csc(x)

16
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cos(-x)

cos(x)

17
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sec(-x)

sec(x)

18
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sin(x)

cos(pi/2-x)

19
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cos(x)

sin(pi/2-x)

20
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tan(x)

cot(pi/2-x)

21
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cot(x)

tan(pi/2-x)

22
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sec(x)

csc(pi/2-0)

23
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csc(x)

sec(pi/2-x)

24
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cos(A+B)

cosAcosB-sinAsinB

25
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cos(A-B)

cosAcosB+sinAsinB

26
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sin(A+B)

sinAcosB+cosAsinB

27
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sin(A-B)

sinAcosB-cosAsinB

28
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tan(A+B)

tanA+tanB/1-tanAtanB

29
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tan(A-B)

tanA-tanB/1+tanAtanB

30
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sin(2x)

2sin(x)cos(x)

31
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cos(2x)

cos(x)Ā²-sin(x)Ā²

32
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cos(2x)

1-2sin(x)Ā²

33
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cos(2x)

2cos(x)Ā²-1

34
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tan(2x)

2tan(x)/1-tan(x)Ā²