Re: Help with Solve

*To*: mathgroup at smc.vnet.net*Subject*: [mg112607] Re: Help with Solve*From*: Eduardo Cavazos <wayo.cavazos at gmail.com>*Date*: Thu, 23 Sep 2010 04:19:58 -0400 (EDT)*References*: <i6a5i6$kne$1@smc.vnet.net>

Since I posted the question, I've been using Reduce alot more and for many tasks it's been performing well. Thanks for helping me to see (more of) the light. :-) Ed On Sep 9, 3:23 am, Eduardo Cavazos <wayo.cava... at gmail.com> wrote: > Hello! > > A newb question I'm sure... :-) > > Here's a couple of equations: > > eq1 = n*Sin[x] == (m*v^2)/r; > eq2 = n*Cos[x] == m*g; > > The goal is to solve for 'x'. > > I can do this in a roundabout way via: > > Solve[eq1 /. Solve[eq2, n], x] > > I.e. solve eq2 for 'n', substitute this into eq1, and solve the result > for 'x'. But this approach seems too "manual". > > Is there a more straightforward way to carry out the problem? I tried > this: > > Solve[{eq1, eq2}, x] > > but it doesn't seem to work. What's a good way to go about this? > > Thanks! > > Ed