Choose the option that describes the angle between the vectors u=2i+3j-5k and v= - 4j+k O acute O obtuse O orthogonal O colinear

Find the angle between the vectors U=<0, 3> and V= <2, 2>

Find the angle 8 between the vectors. = (cos 57, sin 57), 4 0 = u ST), 54), v = (cos, sin ) 3 radians

Use the vectors vec{u}=(1,-2,5)  and vec{v}=(0,-1,3) to Find, vec{v} - (2vec{u})  and the unit vector in the direction of vec{u}