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)​

What is a risk associated with medicines?

There are two main levels of responsibility related to fitness and fire apparatus operations and preventing injuries and line of duty deaths. the first level involves personal responsibility. the second level involves

Which of the following represents the results of a review of well-controlled studies of vitamin c supplementation on the resistance to, and recovery from, colds? there was a reduction in the duration of colds by 50% on the average. there was a slight effect on reducing the duration and severity of colds for people taking vitamin c supplements. there was a significant reduction in the duration of colds in people who consumed at least one gram a day. there was a significant reduction in the number of colds only in people who consumed > three grams per day.