Find the angle between each of the following pairs of vectors a⃗ =axi^+ayj^ and b⃗ =bxi^+byj^.. ax1= -3.20, ay1= 4.40; bx1= 2.70, by1= -3.10. i know this is dot prodoct but the calculater just keep saying error

The product point of the two vectors is given by:

Then, the module of both vectors is:

For vector A:

For vector B:

Finally the angle between the vectors is given by:

Substituting values:

The angle between the vectors is:

answer: 0+0=0

step-by-step explanation:

that is the only answer that can make 0