Solve (tan^2 x)/2 -2cos^2 x =1 for 0 <= x <= 2pi

Matteo makes raspberry punch. the table shows how many parts ginger ale and raspberry juice to use for a batch. raspberry punch parts ginger ale 2 parts raspberry juice 3 matteo decides to add one part of raspberry juice. what is the new ratio of ginger ale to raspberry juice?

Can someone answer this question? : )

5. (03.02)if g(x) = x2 + 3, find g(4). (2 points)1619811