AP PreCalculus Chapter 7

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34 Terms

1
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sin²(x)+cos²(x)

1

2
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1-sin²(x)

cos²(x)

3
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1-cos²(x)

sin²(x)

4
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tan(x)

sin(x)/cos(x)

5
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cot(x)

cos(x)/sin(x)

6
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sin(x)

1/csc(x)

7
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cos(x)

1/sec(x)

8
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csc(x)

1/sin(x)

9
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sec(x)

1/cos(x)

10
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1+cot²(x)

csc²(x)

11
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csc²(x)-1

cot²(x)

12
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csc²(x)-cot²(x)

1

13
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tan²(x)+1

sec²(x)

14
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sec²(x)-1

tan²(x)

15
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sec²(x)-tan²(x)

1

16
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sin((pi/2)-x)

cos(x)

17
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cos((pi/2)-x)

sin(x)

18
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tan((pi/2)-x)

cot(x)

19
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cot((pi/2)-x)

tan(x)

20
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sec((pi/2)-x)

csc(x)

21
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csc((pi/2)-x)

sec(x)

22
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sin(-x)

-sin(x)

23
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cos(-x)

cos(x)

24
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tan(-x)

-tan(x)

25
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sin(a+b)

sin(a)cos(b)+cos(a)sin(b)

26
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sin(a-b)

sin(a)cos(b)-cos(a)sin(b)

27
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cos(a+b)

cos(a)cos(b)-sin(a)sin(b)

28
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cos(a-b)

cos(a)cos(b)+sin(a)sin(b)

29
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sin(2x)

2sin(x)cos(x)

30
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cos(2x)

cos²(x)-sin²(x)

31
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tan(2x)

sin(2x)/cos(2x)

32
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sin(x/2)

+-sqrt((1-cos(x))/2)

33
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cos(x/2)

+-sqrt((1+cos(x))/2)

34
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tan(x/2)

sin(x)/(1+cos(x))