Trigonometry
Find the angle between the two vectors. Express the angle in degrees and round it to two decimal places.
〈11,13〉,〈−11,14〉〈11, 13〉, 〈-11, 14〉〈11,13〉,〈−11,14〉
61.11°61.11\degree61.11°
11.61°11.61\degree11.61°
87.39°87.39\degree87.39°
78.39°78.39\degree78.39°