While watching ocean waves at the dock of the bay, Otis noticed that 10 waves pass beneath him in 30 seconds what are the period and frequency of the waves?
Q. Calculate the first fundamental forms of the following surfaces:
1) Sphere: σ(θ,φ) =(cosθcosφ, cosθsinφ,sinθ)
2) A generalized cylinder: σ(u,v) =γ(u)+Va