calc unit 7

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Last updated 5:52 PM on 4/10/26
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7 Terms

1
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relate x, y, r

x² + y² = r²

2
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relate x and r

x = rcosθ

3
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relate y and r

y = rsinθ

4
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relate y and x and theta

tanθ = y/x

5
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sin²θ

(1-cos(2θ))/2

6
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cos²θ

(1+cos(2θ))/2

7
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Polar arc length

L = int (sqrt(r² + (dr/dθ)² )dθ)