ANSWER

EXPLANATION
We were given that,

This implies that,

We use the Pythagorean identity

to get,

We were also given that,

This means that,

This is because,


This angles are in the first quadrant so we pick the positive values.




The correct answer is D
Is there suppose to be a picture???
20 beacause 120 divided by 6 equals 20 so 60x20=120
5 because it appears most
Mode is most