Use a calculator to evaluate each function. Round your answers to four decimal places. (Be sure the calculator is in the correct angle mode a) Cos(110°54'21")
(b
Sec(570° 12")

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?