Discover Questions

F(x)=[sin(3x)/sin(x)]-[cos(3x)/cos(x)]
a) For what values of x does f(x) not exist?
b) Simplify expression [sin(3x)/sin(x)]-[cos(3x)/cos(x)]? Can Yves Saint Laurent count as a historical figure? How many inches in 1.64 ft? What does it meant to dream of being a magnet to metallic objects? A hector is equal to ?