The function 1=cos(2x-π/2) represents a cosine function with a frequency of 2 and a phase shift of -π/4. The graph of this function will have peaks and troughs every π/2 units and will be shifted π/4 units to the right.
The function 1=cos(2x-π/2) represents a cosine function with a frequency of 2 and a phase shift of -π/4. The graph of this function will have peaks and troughs every π/2 units and will be shifted π/4 units to the right.