THOUGHTS of the week

From now until September 2nd, the blog will be inactive due to editor's leave.

Tuesday, 23 July 2013

Equation of the Week [July 22, 2013]

Euler's formula states that, for any real number $x$ ,

$e^{ix}=\cos x + i\sin x$ .

A special case of this formula follows when we let $x=\pi$

$e^{i\pi}=-1$ ,

called Euler's identity.

Unknown at 12:34

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Tuesday, 23 July 2013

Equation of the Week [July 22, 2013]

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