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Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset

Given: m zade = 60° and m2cdf = (3x + 15) prove: x = 15