CAS MA 226 Lecture 17: MA226_lecture17

2. Find lim tsin(-)

Find the unit vector T and N at t=1 of the curve R(t)=t2i + tsin (t)j + tcos(t)k

Find the equation of the tangent line to the curve r(t) = e-t cos(t),e-tsin(t),e-t at the point (1, 0, 1).