Can you me answer this question 7n + 5 = 5n + 25

7n+5=5n+25  subtract 5n from both sides

2n+5=25  subtract 5 from both sides

2n=20  divide both sides by 2

n=10

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.