expand f(x)=x, - $\pi$ < x < $\pi$ , period = 2 $\pi$ in fourier series.
Hence deduce $\pi$/4 = 1 - 1/3 + 1/5 - 1/7 + ... $\infty$
Mathbot Says...
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.
expand f(x)=x, - $\pi$ < x < $\pi$ , period = 2 $\pi$ in fourier series.
Hence deduce $\pi$/4 = 1 - 1/3 + 1/5 - 1/7 + ... $\infty$
I wasn't able to parse your question, but the HE.NET team is hard at work making me smarter.