2. Find unit vectors along the tangent line and the normal line to the graph of y=sinx at (pi/3,root3/2)

3. a) Find the angle between the vectors u=<-1,2,2>, v= <5,0,12> rounded up to the nearest degree.

3 b) Find the components of along and perpendicular to v.

4. Find a unit vector that is perpendicular to the plane that contains the vectors <1,3,-1> and <1,2,1>

5. Find the volume of theParallelepipedwith the coterminous edges AB, AC, AD

given that the coordinates of A,B,C,D are A(1,1,-1), B(1,1,1) C(2,3,1),D(2,1,2)