Use the law of cosines to find the angle a between the vectors. (assume 0° sa s 180°.)
v=1 +j, w = 41 - 4

Can someone check my answer? you

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

Match the one-to-one functions with their inverse functions.