trig identities
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because we need to memorize these
Last updated 12:43 AM on 3/12/26
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9 Terms
1
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sin2θ = ______
1-cos2θ
2
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sec2θ= _____
tan2θ+1
3
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csc2θ= _____
cot2θ+1
4
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cscθ = ?
1/sinθ
5
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secθ = ?
1/cosθ
6
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tanθ = ?
sinθ/cosθ
7
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cotθ = ?
cosθ/sinθ
8
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tanθ = ? (1/?)
1/cotθ
9
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cotθ = ? (1/?)
1/tanθ
