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

*To*: mathgroup at smc.vnet.net*Subject*: [mg71083] Re: General--Another Trigonometric Problem....NEED HELP*From*: Jean-Marc Gulliet <jeanmarc.gulliet at gmail.com>*Date*: Wed, 8 Nov 2006 06:05:13 -0500 (EST)*Organization*: The Open University, Milton Keynes, UK*References*: <eijobs$l9v$1@smc.vnet.net>

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'...?? Either of the following expressions will work (note the capitalization of built-in function and the double equal sign) Solve[a*Sin[x] + b*Cos[x] == c, x] Reduce[a*Sin[x] + b*Cos[x] == c, x] Regards, Jean-Marc