What are some examples of exact forms of the golden ratio?

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SUMMARY

The discussion centers on seeking exact forms of the golden ratio that differ from the well-known expression ø = 1/2(5^(1/2) + 1). Participants highlight that many trigonometric versions are merely substitutions of this standard form. A notable alternative provided is ø = 2^(-1/v)(5^(1/2)Fv + (5(Fv^2) - 4cos(v∏))^(1/v), which presents a more generalized representation. The conversation emphasizes the challenge of finding unique expressions beyond the conventional forms.

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mesa
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Hello all, I am looking for exact forms (as real number expressions) of the golden ration that are not rewrites of the one we all know and love, i.e.

g.r. = 1/2(5^(1/2)+1)


Searches in Google have yielded nothing so far :P
 
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micromass said:

A good link, but I had already seen it. The trigonometric versions are just substitutions of the same expression, ø = 1/2(5^(1/2)+1).

I also checked out Wolfram and I noticed this,

ø=2^(-1/v)(5^(1/2)Fv+(5(Fv^2)-4cos(v∏))^(1/v)

which is a wonderful general form!

Anyone else have anything to add?
 

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