Derivatives of Sine and Cosine, Double Angle Identities

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11 Terms

1
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d/dx sinx

cosx

2
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d/dx cosx

-sinx

3
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secant —>

cosine

4
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cosecant —>

sine

5
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cotangent —>

tangent

6
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secx?

1/cosx

7
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cscx?

1/sinx

8
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cot?

1/tanx = cosx/sinx

9
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cos²x + sin²x =?

1

10
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sin(2x)

2sinxcosx

11
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cos(2x)

1-2sin²x, 2cos²x-1, cos²x-sin²x