Thread: inverse tangent series (euler's derivaiton)

Substitute x=z/N where z is finite into to obtain . Remembering that ,so ,conclude that

Originally Posted by bigb

Substitute x=z/N where z is finite into to obtain . Remembering that ,so ,conclude that

What exactly is your question? You seem to have a solution here?

Originally Posted by Mathstud28

What exactly is your question? You seem to have a solution here?

I plug in z/N but i cant get the first part?

Originally Posted by Mathstud28

What exactly is your question? You seem to have a solution here?

I get , but i dont know how to get the first part by getting rid of the arcsin part.