Asked by Kay
                Determine the frequency of y = 2 �� 3 cos 10x. (nearest tenth)
Please help!
            
        Please help!
Answers
                    Answered by
            bobpursley
            
    I cannot determine your function, and in fact, I do not see time as a variable.
    
                    Answered by
            Marth
            
    For y = sin(wx) or y = cos(wx), w = 2pi*f (where f is frequency).  So f = w/(2pi).
For y = 3cos(10x), f = 10/(2pi) = 5/pi.
    
For y = 3cos(10x), f = 10/(2pi) = 5/pi.
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