A color tv uses red, green, and blue phosphors to produce the colors that we see. in printing, however, we use magenta, yellow, and cyan as the primary colors. how do these two situations differ

A color tv uses red, green, and blue phosphors to produce the colors that we see. in printing, however, we use magenta, yellow, and cyan as the primary colors. They differ in the sense that : A TV screen uses color addition to achieve color while the printing process uses color subtraction to achieve color.