Re: Trig Solve
- To: mathgroup at smc.vnet.net
- Subject: [mg72399] Re: [mg72389] Trig Solve
- From: Andrzej Kozlowski <akoz at mimuw.edu.pl>
- Date: Mon, 25 Dec 2006 04:52:24 -0500 (EST)
- References: <200612240840.DAA09996@smc.vnet.net>
On 24 Dec 2006, at 17:40, Narasimham wrote:
> Could not get solution for easier implicit trig. relation
>
> Solve[{x, y} == {Cos[th]*(3 + Cos[th/2 + v]), (3 + Cos[th/2 +
> v])*Sin[th]}, {th, v}, {x, y}]
>
> Thanks in advance for indication for solutions.
>
> Narasimham
>
It is completely unclear to me what you mean be a "solution" to this
equation. What are you trying to "solve' in terms of what?
Note that the code you have written is actually telling Solve to
eliminate x and y
?Solve
Solve[eqns, vars] attempts to solve an equation or set of
equations for the variables vars. Solve[eqns, vars, elims] attempts
to solve
the equations for vars, eliminating the variables elims.
which is obviously impossible.
Andrzej Kozlowski
- References:
- Trig Solve
- From: "Narasimham" <mathma18@hotmail.com>
- Trig Solve