trig identities

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11 Terms

1
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sin(2x)

2sin(x)cos(x)

2
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cos(2x)

2cos²(x)-1

3
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cos(2x)

1-2sin²(x)

4
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sec²(x)-tan²(x)

1

5
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sin²(x)

(1-cos(2x))/2

6
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cos²(x)

(1+cos(2x))/2

7
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d/dx(tan(x))

sec²(x)

8
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d/dx(sec(x))

Sec(x)tan(x)

9
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int(tan(x))

ln|sec(x)| + c

10
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int(sec(x))

ln|sec(x) + tan(x)| + c

11
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