Please explain to me how to find the formula of this. Is the phase shift 1/5? And also how do I know what is the horizontal shift of graph g? Thank you so much!
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In the g graph, when x = 0, y is negative. And phase angle is less that 3π/2. Observe the difference in the peaks of the graphs f and g. It is 3. That means 3 short to become in phase. So the phase is 7/10*2π. Now write the equation of g.
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