what is arccos (14/182)
arc cos means the angle whose cosine is ...
Some nowadays use the nomenclature cos-1 , but that is just a little to symbolee for me.
A rock dropped from the top of the Learning Tower of Pisa falls to a point 14 feet from its base. If the tower is 182 feet tall, at what angle does it lean at the ground?
1 answer
1 answer