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Re: Extracting the value from Solve

  • To: mathgroup at smc.vnet.net
  • Subject: [mg85750] Re: Extracting the value from Solve
  • From: Szabolcs <szhorvat at gmail.com>
  • Date: Thu, 21 Feb 2008 17:55:16 -0500 (EST)
  • References: <fphcce$8c8$1@smc.vnet.net>

On Feb 20, 3:10 pm, "Lea Rebanks" <lreba... at netvigator.com> wrote:
> Hi All,
>
> After evaluating the following .
>
> Solve[Tan[45*Degree]*x + (Sin[108.25718805973634]*
>             (-Sqrt[(-0.425185)^2 + 0.843815^2]))/
>          Sin[135*Degree] == 0, x]
> {{x -> 1.3253773537632034}}
>
> I wish to extract the value only .  1.3253773537632034
>

Please read through the doc page of Solve[].  This is illustrated in
the third example under Basic Examples.

x /. Solve[x^2+1==0, x]


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