all identities for multivar calc
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Last updated 1:34 AM on 8/30/26
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15 Terms
1
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sin2 θ + cos2 θ
1
2
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1 + tan2 θ
sec2 θ
3
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1 + cot2 θ
csc2 θ
4
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sin (A+B)
sin A cos B + cos A sin B
5
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sin (A-B)
sin A cos B - cos A sin B
6
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cos (A+B)
cos A cos B - sin A sin B
7
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cos (A-B)
cos A cos B + sin A sin B
8
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sin 2θ
2 sinθ cosθ
9
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cos 2θ
cos2θ - sin 2θ
10
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d/dθ sin θ
cos θ
11
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d/dθ cos θ
-sin θ
12
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d/dθ tan θ
sec2 θ
13
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d/dθ cscθ
-cscθcotθ
14
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d/dθ secθ
secθtanθ
15
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d/dθ cotθ
-csc2 θ