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DoubleCook

  • 3 years ago

Find parametric equations for the tangent line to r(t) =< t^2- t + 1, t , sin(t) > at the point (1,0, 0).

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  1. DoubleCook
    • 3 years ago
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    found the derivative of r(t) to be r'(t) <2t-1,1,cos(t)> but not sure what to do with that. And he point (1,0,0) occurs at t=0 help please? :]

  2. klimenkov
    • 3 years ago
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    Put \(t=0\) into the expression for \(r'(t)\) and you will get a tangent vector in your point. Hope you can write an equation of the line if you know its directing vector and the point throught it.

  3. DoubleCook
    • 3 years ago
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    Ahh that makes a lot of sense! Thank you~

  4. klimenkov
    • 3 years ago
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    Can you write an answer here?

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