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Complex solution of a polynomial

How people find out pi?

(sinx+tgx) * (cosx+ctgx) = (1+sinx) * (1+cosx)

Which fraction is bigger?

How people find out pi?

(sinx+tgx) * (cosx+ctgx) = (1+sinx) * (1+cosx)

Which fraction is bigger?

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The website was created in September 2005.

It is visited by 14,000 - 28,000 people daily, mostly from USA, Bulgaria, Russia, India, Philippines, Ukraine, Serbia...

In 2011 was created a Russian version, and in 2015 Serbian.

It is visited by 14,000 - 28,000 people daily, mostly from USA, Bulgaria, Russia, India, Philippines, Ukraine, Serbia...

In 2011 was created a Russian version, and in 2015 Serbian.