- #1

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r(t) = <acos t , bsin t>

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- Thread starter david90
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- #1

- 305

- 1

r(t) = <acos t , bsin t>

- #2

HallsofIvy

Science Advisor

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In the first place an equation doesn't

If you mean, "find the equation for the normal to the curve given by r(t) = <acos t , bsin t> for any t", then say so.

Heres' a major hint the vector <a, b> is always normal to the vector <-b, a>.

- #3

ShawnD

Science Advisor

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In order to have a normal, you need to give us 1 set of coordinates.

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