Calculus

1. (a) (5 points) Compute the dot product of if = (3, 7, 2) and i? = (5, 4, 4) and nd the angle between the two vectors- Round to the nearest tenth of a degree. (to) (5 points) For the vectors a = (4, 9, 2) and t7 = (1, 3, 4) , calculate projo a and scaly}