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Re: Extracting the value from Solve

• To: mathgroup at smc.vnet.net
• Subject: [mg85790] Re: Extracting the value from Solve
• From: "David Park" <djmpark at comcast.net>
• Date: Fri, 22 Feb 2008 05:05:13 -0500 (EST)
• References: <fphcce$8c8$1@smc.vnet.net>

There a lots of ways that you will hear about. Here is one:

Solve[Tan[45*Degree]*
    x + (Sin[108.25718805973634]*(-Sqrt[(-0.425185)^2 + 0.843815^2]))/
    Sin[135*Degree] == 0, x]
Part[%, 1, 1, 2]
1.32538

-- 
David Park
djmpark at comcast.net
http://home.comcast.net/~djmpark/


"Lea Rebanks" <lrebanks at netvigator.com> wrote in message 
news:fphcce$8c8$1 at smc.vnet.net...
> 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
>
> Any advice or help gratefully received.
>
> Many thanks.
> Best Regards - Lea Rebanks...
>
> 

• Follow-Ups:
  • Re: Re: Extracting the value from Solve
    • From: Andrzej Kozlowski <akoz@mimuw.edu.pl>