Trig Identities

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Helpful for trig substitutions

Last updated 6:27 PM on 10/9/26
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11 Terms

1
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Derivative:

sin(x)

cos(x)

2
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Derivative:

cos(x)

-sin(x)

3
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Derivative:

tan(x)

sec²(x)

4
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Derivative:

sec(x)

sec(x)tan(x)

5
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Derivative:

cot(x)

-csc²(x)

6
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Derivative:

csc(x)

-csc(x)cot(x)

7
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Reciprocal:

csc(x)

1/sin(x)

8
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Reciprocal:

sec(x)

1/cos(x)

9
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Reciprocal:

cot(x)

1/tan(x)

10
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Quotient:

tan(x)

sin(x)/cos(x)

11
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Quotient:

cot(x)

cos(x)/sin(x)