Question
find the angle between A=-5i-3j+2k and B=0i-2j-2k?
Answers
Damon
A dot B = |A| |B| cos T
0 + 6 - 4 = sqrt(38) sqrt(8) cos T
2 = 17.44 cos T
T = cos^-1 .1147
T = 83.4 degrees
0 + 6 - 4 = sqrt(38) sqrt(8) cos T
2 = 17.44 cos T
T = cos^-1 .1147
T = 83.4 degrees