. It also says that is a double valued fuction. How do I use this formula or is there a better way to do this? I don't see how to get the double value it is talking about.
. It also says that is a double valued fuction. How do I use this formula or is there a better way to do this? I don't see how to get the double value it is talking about.
let
x here present cos inverse of z we want to find x value without using cos function , x is a complex number