You don’t need to memorize $1^2 + \cot^2 = \csc^2$, except for silly tests that mistake trivia for understanding. In that case, take a minute to draw the dome/wall/ceiling diagram, fill in the labels (a tan gentleman you can see, can’t you?), and create acheatsheetfor your...
First you should extract your stock rom from the zip file into a folder then you want to copy the csc file and when thats done remove the .md5 extension at the end (You may need to Disable the "Hide extensions for know file types" in windows explorer settings and then you want to op...