Calc Trig Identities

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Last updated 1:49 AM on 8/26/26
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14 Terms

1
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sin²x+cos²x =

1

2
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1+tan²x=

sec²x

3
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1+cot²x=

csc²x

4
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tan²x=

sec²x-1

5
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cos²x=

1-sin²x

6
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cos²x-1=

-sin²x

7
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lim x→0 (sinx)/x=

1

8
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lim x→0 x/(sinx)=

1

9
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lim x→0 (1-cosx)/x=

0

10
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lim x→0 (-1(cosx-1))/x=

0

11
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lim x→0 (cosx-1)/x=

0

12
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13
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14
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