11B: Pythagorean Identities

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18 Terms

1
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sin²θ+cos²θ=

1

2
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1+cot²θ=

csc²θ

3
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tan²θ+1=

sec²θ

4
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1=

sin²θ+cos²θ

5
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csc²θ=

1+cot²θ

6
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sec²θ=

tan²θ+1

7
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sin: odd or even?

Odd

8
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Tan: odd or even?

Odd

9
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csc: odd or even?

Odd

10
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cot: odd or even?

Odd

11
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cos: odd or even?

even

12
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sec: odd or even?

even

13
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sin(-x)=

-sin(x)

14
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tan(-x)=

-tan(x)

15
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csc(-x)=

-csc(x)

16
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cot(-x)=

-cot(x)

17
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cos(-x)=

cos(x)

18
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sec(-x)=

sec(x)