trig identities

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Last updated 12:10 PM on 9/5/26
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14 Terms

1
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csc(x)

1/sin(x)

2
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sec(x)

1/cos(x)

3
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cot(x)

1/tan(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^2(x) + cos^2(x)

1

7
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1 + tan^2(x)

sec^2(x)

8
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1 + cot^2(x)

csc^2(x)

9
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sin(-x)

-sin(x)

10
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cos(-x)

cos(x)

11
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tan(-x)

-tan(x)

12
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sin(pi/2 - x)

cos(x)

13
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cos(pi/2 - x)

sin(x)

14
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tan(pi/2 - x)

cot(x)