25.a- trigonometric function of an angle, the ratio of the legth of the adjacent side to the hypotenuse of a right angled triangle. --s-n-
25.d- in music a succession of notes or chords comprising the close of a phrase or section. -----c-
31.a- vertical leap in ballet during which the dancer repeatedlt crosses his or her feet and beats them together. ---r--h-t
30.a- bundle of harvested but unthreshed grain stalks laid lengthways and tied together.
s-e-f