express cos(x)+2sin(x) in the form R=sin(x-a) ,where (a) is acute angle ,find the minimum n maximum value of cos(x) + 2sin(x)​

If birth rates fall below the replacement level, then a country is in which stage of demographic transition? a. urbanization/industrialization b. mature industrial c. postindustrial d. pre-modern

What is a common risk associated with alcohol?

What are possible signs and symptoms of drug addiction? check all that apply. declining physical appearance and health failing to meet family, school, or work obligations needing less and less of a drug to get the same effect using drugs when there is no health benefit failing in attempts to stop using a drug stealing to get drugs