I need to find the equation of the tangent line to the curve at the given value of t: x=2cost y=2sint t=pi/3 Thanks for the help.
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Or, since the original curve is given in terms of the parameter t, write the tangent line in the same way: so, at , i.e. the point the tangent line is given by , . In particular, with , and so the tangent line there is , .
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