In a marching band, there are 14 saxophones and 21 trumpets. Heather says the ratio of trumpets to saxophones is 14:21. Audrey disagrees and says the ratio is 3:2. Who is correct?

Iwould say d but i am not 100% positive

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.