If 0 < f ≤ 90 and cos(22f − 1) = sin(7f + 4), what is the value of f?

The major difference is that a histogram is only used to plot the frequency of score occurrences in a continuous data set that has been divided into classes, called bins.  bar charts, on the other hand, can be used for a great deal of other types ofvariables  including  ordinal  andnominal  data sets.

D. i think it is the savings