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Jul
28
comment What is meaning of this question and how to solve it?
@Rescy_ The question explicitly states the solutions can be written as $\cos \phi$, so I'd assume so. I imagine you could probably find solutions outside the range as well if you considered $\cos$ for imaginary values too.
Jul
27
revised What is meaning of this question and how to solve it?
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Jul
27
answered What is meaning of this question and how to solve it?
Jul
26
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26
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Jul
23
comment About the solution of $2^x-x^x=0$
$0^0$ is generally left undefined. However, $\lim_{x\to 0^+} x^x =1$.
Jul
23
answered Sum function of a series
Jul
23
revised Dividing polynomials on all terms
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Jul
23
answered Dividing polynomials on all terms
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28
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28
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