Asked by Janique Eilam

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?

Answers

Answered by bobpursley
what is arccos (14/182)

arc cos means the angle whose cosine is ...

Some nowadays use the nomenclature cos<sup>-1</sup> , but that is just a little to symbolee for me.
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