The Spacecraft Password Entering the room, you see the spacecraft. Finally, you will be able to leave this planet! Upon closer inspection, you realize that there is a password to enter the ship. Your computer translates the password as follows: Find all functions whose derivative is 4sin (x ). Your computer is able to provide a hint that these functions only differ by a constant and that an arbitrary constant can be included using "+ C". In order to appropriately enter the password, you will need to enclose arguments of functions in parentheses. For example, sin (2x )