In Exercises 8992, find the exact value of the trigonometric function given that and (Both and are in Quadrant IV.)

Econ 202 ~ Chapter 6 ~ Measuring the Cost of Living How the CPI is calculated The consumer price index shows the “cost” of a basket of goods and services “relative to the cost” of the same basket in the base year. The index is used to measure the “overall level of prices” in the economy. The percentage change in the consumer price index measures the inflation rate. CPI measures the...