Displacement 1 is in the yz plane 58.0° from the positive direction of the y axis, has a positive z component, and has a magnitude of 4.50 m. Displacement 2 is in the xz plane 30° from the positive direction of the x axis, has a positive z component, and has magnitude 1.90 m.
(a) What is d1 · d2?
(b) What is d1 X d2?
(c) What is the angle between d1 and d2?