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)]? What does it meant to dream of being a magnet to metallic objects? How tall is 63 and 1/2 inches? How many Floridains are ready for the Fall season and some cooler weather for a change? What is the expected frequency for a person to have all six recessive characteristic?