Find the following for the vectors u = 7i - 10j + 12k and v= - 7i + 10j - 12k. a. v . u, v|, and | ul b. the cosine of the angle between v and u c. the scalar component of u in the direction of v d. the vector projyuFind the angle between the vectors u = 6i + 2j and v = 5i + 2j - 3k. . . . . . The angle between the vectors is 0 ~ radians. (Round to the nearest hundredth.)Find the angle between the vectors u = 12i - 5j and v = 12i+j - 2k. . . . . . The angle between the vectors is 0 ~ | radians. (Do not round until the final answer. Then round to the nearest hundredth as needed.)Find the measures of the angles of the triangle whose vertices are A = ( - 3,0), B = (3,2), and C = (1, - 2). The measure of AABC is |:|. (Round to the nearest thousandth.)