Trisha had a bowling score of 126 for the first game. She had a score of 97 for the second game. Which is closest to the percent decrease in her score from the first game to the second game?

Ithink is a. true, but not sure

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.