calc ab trig identities

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8 Terms

1
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sin²x+cos²x=

1

2
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sin^x=

1-cos^x

3
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cos²x

1-sin²x

4
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tanx=

sin/cos

5
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sin2x

2sinxcos

6
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cos2x

1-2sin²x

7
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a²-b²=

(a-b)(a+b)

8
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