I think the domain is (0,2,4,8) and the range is (4,6 and 8) also your learning this in high school?
The first one :)
apparently brainly needs 20+ characters so ejsorjxlhelehIwbekzheknf
The cotangent of an angle is the adjacent side over the opposite side. The adjacent side is equal to 15, and the opposite side is equal to 8. 15/8
The cotangent of angle I is 15/8.