Unit Trigonomteric Function Pre calc Please help Find the following trigonometric values.
Express your answers exactly.

What values of c and d make the equation true?

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?