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Re: solve trig equations

  • To: mathgroup at smc.vnet.net
  • Subject: [mg125744] Re: solve trig equations
  • From: Bob Hanlon <hanlonr357 at gmail.com>
  • Date: Sat, 31 Mar 2012 03:41:55 -0500 (EST)
  • Delivered-to: l-mathgroup@mail-archive0.wolfram.com
  • References: <201203300936.EAA03677@smc.vnet.net>

Use Reduce rather than Solve. The result is extremely complicated.

Bob Hanlon

On Fri, Mar 30, 2012 at 5:36 AM, Neal Becker <ndbecker2 at gmail.com> wrote:
> Solve[{Cos[a]+Cos[b]==x,Sin[a]+Sin[b]==y},{a,b},Reals]
> Solve::nsmet: This system cannot be solved with the methods available to Solve. >>
>
> This is a simple enough system, what am I doing wrong?
>



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