How do I find where a curve hits the $xy$ plane with vectors?
3092
Find where $r(t)=$ hits the $x-y$ plane
136168
Tangent planes to $2+x^2+y^2$ and that contains the $x$ axis
22017
Parametric equations for the plane through origin parallel to two vectors
133123
Find the Unit Vector of a Three Dimensional Vector
133043
Find the equation of the plane passing through a point and a vector orthogonal
105825
Hard Multivariable Calculus Question: Surfaces
9438
Plotting in the Complex Plane
7492
Is there a formula for $\sin(xy)$
132996
Intersection of surface with parallel planes
113165
How to get xyz coordinates from f-curve
52316
Geodesics and Curves on a Plane
105488
Finding the curvature and normal vector for an arclength curve
93875
"Show" that the direction cosines of a vector satisfies...
66494
Curvature of a curve on a sphere
148290
Visualizing a Complex Vector Field near Poles
15482
Paths integrals in the complex plane
9277
How do I find work done by friction over a curve represented by a polynomial?