Please solve 3./ cos3x - sin 3x + 2cosx = 0
Last edited by mr fantastic; July 21st 2009 at 06:56 PM. Reason: Moved question to new thread and edited accordingly
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Originally Posted by mp3qz Please solve 3./ cos3x - sin 3x + 2cosx = 0 Maybe you could consider and
Originally Posted by pickslides Maybe you could consider and Using the hint of pickslides the equation becomes which is the same equation like in this thread: http://www.mathhelpforum.com/math-he...-equation.html
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