3.1 - Breaking Vectors into x and y Components

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7 Terms

1
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vectors have a ____ and a _______

magnitude + direction

2
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add and subtract vectors

head to tail

3
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pythagorean theorem

c² = a² + b²

<p>c² = a² + b²</p>
4
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sin θ =

opposite/hyp = b/c

<p>opposite/hyp = b/c</p>
5
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cos θ =

adjacent/hyp = a/c

<p>adjacent/hyp = a/c</p>
6
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tan θ =

opposite/adjacent = b/a = sin θ/cos θ

<p>opposite/adjacent = b/a = sin <span>θ/cos θ</span> </p>
7
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if you know the magnitude and direction, you can use ____ to get the components of your vector

trig

<p>trig</p>