Recent content by The_Prime_Number

Ok, thanks for clearing that up for me.

I was thinking about this, and wanted to know if it was true... -cos(60) = cos(-60) = cos(300) = cos(60)

The problem asks me to show that the maximum possible area for a rectangle inscribed in a circle of radius R is 2R^2. It also gives a hint saying that I should first maximize the square of the area. I set the problem up as xy = 2R^2. I decided to work on the left side and wrote it as x(2R)...