Given:
f(n) = 7n – 5
Evaluate
n = -3

Hello! i hope this
since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.

(-0, -7) is your answer

The answer might be a