Final answer:
The angle θ1 is located in quadrant II and the cosine of θ1 is -2/11.
Step-by-step explanation:
In this question, we are given that the cosine of angle θ1 is -2/11, and we need to determine the quadrant in which the angle is located.
Since cosine is negative in quadrants II and III, and we are given that θ1 is in quadrant II, we can conclude that the angle is located in quadrant II.
So, the answer to the question is Mathematics and High School.