Draw a cube and cartesian axes. all points of the cube lie, Ask an Expert

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Draw a cube and Cartesian axes. All points of the cube lie in the (+,+,+) octant of the coordiante system. One vertex of the cube is at (0,0,0), the point called O. The vertex that is diagonally across from O on the square in the xz plane is point A. The vertex that is diagonally across from O on the square in the yz plane is point B. The vertex that is diagonally across the cube from O is called C. (a) Determine the angle (in degrees) between the vectors OA and OB. (b) Determine the angle (in degrees) between the vectors OA and OC.

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