Recent content by usaplasticman

Homework Statement r(t)=(t^2+t)i+(t^3-4)j+(3-t)k r(t) hits the xy plane at the point (12,23,0). Find the angle on intersection of r(t) with the xy plane at that point. Angle= Homework Equations cosθ=(AxB)/lAllBl The Attempt at a Solution I find the answer was 0.0017 degree...

Homework Statement derive/create an equation for a "great circle" route r(t) from a given point A to a given point B along the surface of the sphere with center (0,0,0) and radius = 15 test point 1: A=(2,10,11) to B(14,5,2) test point 2: A=(10,5,10) to B(0,-12,9) Homework Equations...