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MathGroup Archive 2006

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Re: General--Another Trigonometric Problem....NEED HELP

  • To: mathgroup at smc.vnet.net
  • Subject: [mg71037] Re: General--Another Trigonometric Problem....NEED HELP
  • From: Bill Rowe <readnewsciv at sbcglobal.net>
  • Date: Mon, 6 Nov 2006 02:52:39 -0500 (EST)

On 11/4/06 at 11:07 PM, srj6 at hotmail.com wrote:

>I'm trying to compute this following eq....

>a*sin(x) + b*cos(x) = c

>I did ------>    Solve[a*sin[x] + b*cos[x] = c, x]

>But it doesn't work. Can anyone please tell me how to get he value
>of that angle 'x'...??

>Please...I need your help...I'm very new in using 'mathematica'.

Your problem is syntax. All Mathematica built-in functions start 
with an uppercase letter. And equations are defined with "==" 
not "=". So, you need to do

  Solve[a*Sin[x] + b*Cos[x] == c, x]
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