Trig Review

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sin2x

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2sinxcosx

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sin²x

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(1-cos2x)/2

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7 Terms

1
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sin2x

2sinxcosx

2
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sin²x

(1-cos2x)/2

3
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cos²x

(1+cos2x)/2

4
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sec²x

1+tan²x

5
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csc²x

1+cot²x

6
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sin(-x)

-sinx

7
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cos(-x)

cosx

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