trig identities

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8 Terms

1
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Sin x

1/csc x

2
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Sin(2x)

2sincos x

3
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Cos(2x)

Cos²x - sin²x

4
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Cos (2x)

2cos²x - 1

5
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Cos(2x)

1-2sin²x

6
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Tan(2x)

2tanx/1-tan²x

7
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1+tan²x

Sec²x

8
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1+cot²x

Csc²x