Find a) vector A and magnitude of A, b) the angle between A and the y-axis, c) vector B.

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B) Let magnitude of vector Write the vector as components V = 6 unit with angl 0 = in the xy - plane = 120°

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Determine the measure of angle A in triangle ABC, where vector A(1, 1, 8), vector B(4, −3, −4), and vector C(−3, 1, 5).

2. Position vector ř defines a location of interest. This vector lives in the plane of the paper. Chosen coordinate System 51° |7| = 102 m a) Put the i into component form, using the given Cartesian coordinate system. Show all steps to receive full credit. b) Find the unit vector î that describes the direction of ř, in component form using the given Cartesian coordinate system. Show all steps to receive full credit. c) Prove that your answer to (b) is a unit vector by finding |î|. Use the definition of the norm to do so. Show all steps to receive full credit.