From a top of a building 20 m high if the angle of elevation top of a vertical pole is 30 degree. and the angle of depression of foot from the same pole is 60 degree . find the height of the pole

When creating passwords for secure accounts, which of the following rules should you apply? a.use personal information that is easy to remember.use a variety of letters, numbers and characters.use a sequence or pattern of numbersd.use the same password for all accounts