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Sunday Afternoon Maths IV

 Posted on 2014-03-16 

x to the power of x

If \(x^{x^{x^{x^{...}}}}\) [\(x\) to the power of (\(x\) to the power of (\(x\) to the power of (\(x\) to the power of ...))) with an infinite number of \(x\)s] is equal to 2, what is the value of \(x\)?

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i to the power of i

If \(i=\sqrt{-1}\), what is the value of \(i^i\)?

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arccos + arcsin

What is the value of \(\arccos(x) + \arcsin(x)\)?

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