In the following problem, the expression is the right side of the formula for cos(a - B) with particular values for a and B. cos(75°)cos(159) + sin(75°)sin(159)
a. Identify a and B in each expression.
The value for a
The value for B:

This trip the family will spend $117.96. the next trip they will spend $119.27. this is an increaseof $117.96 - $119.27| or an increase of $1.31.what is the percent of increase? round your answer to the nearest whole percent. type your answer into the space.the percent of increase is: resetsubmit