Math chapter 6

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Annoying equations so I don’t fail my test again

Last updated 1:43 PM on 4/14/26
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12 Terms

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magnitude

√a²+b²

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Component form

(x²-x),(y²-y)

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Directional angle

Arctan(y/x)

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Dot product

(UV+U²V²)

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|U|

√U•U

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Angle between vectors

Arccos(UV/|U|•|V|)

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Rectangular coordinates

rcosx,rsinx

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Polar coordinates

√x²+y²,arctan(y/x)

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Symmetry for limacon graph

Cos = X Sin = Y

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Symmetry for Rose Petal graph

If N = even, all 3; else cos=X sin=Y

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Range of rose petal

-|a|,|a|

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Range of limacon

a-b,a+b