(Solved): (3) Sketch a graph of the following surface in R3. Name the surface. Show scale and label axes. (Us ...

(3) Sketch a graph of the following surface in R3. Name the surface. Show scale and label axes. (Use small grids for traces if needed) (6 points $z=\cos x$ Name of surface: In addition to your sketch, attach a screen shot of a computer generated sketch (using any software you like, Geogebra 3D, CalcPlot3D...) (Do not submit as a separate file)