3.3 Area and Linear Maps

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5 Terms

1
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Area if vectors make a square:

a1 * a2

2
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Area if vectors make a parellogram

|det[b1 b2]|

3
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Vector if vectors make a parellogram

|det[b1 b2 b3]|

4
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Area / Volume of T(s)

|detA| * (Original area/volume of S)

5
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rotation matrix

[ cosx - sinx; sinx cosx]