Multivariable Calculus: Find the parametric and symmetric equations of the tangent line to the curve r(t) = (cos(t), sin(t), t) when t = pi/2. Where does the line intersect the xy-plane?
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@yousharenow Thanks, and sorry! It gets me through a mild speech impediment. It's not a problem conversationally, but technical language or hard thinking brings it out. - Bob
MathDoctorBob 3 weeks ago
Bob you are great but please stop with the left hand.
yousharenow 3 weeks ago