In Exercises 2534, find the angle between the vectors

Compara▯veAnatomyLab Prac▯cal2 Origin:middorsalline fromneuralprocesses ofmostthoracic vertebrae Origin:clavicle andraphe Inser▯on:medial surfaceofulna, justdistalto semilunarnotch Ac▯on:ﬂexes forearm Origin:mastoidprocess Inser▯on:sternum Ac▯on:rota▯onofhead Spinodeltoid Origin:middlethirdof spineofscapula Inser▯on:humerus Origin:posteriormargin...