Answer:
Scatter Plot 1 : No correlation (0) -
Scatter plot 2: negative Correlation (-1)
Scatter Plot 3: Positive Correlation (+1)
Hey any chance you remember the work answer for the problem? I have the same question also!
Sin(α+β)=sin(α)cos(β)+cos(α)sin(β)
sin(α-β)=sin(α)cos(β)-cos(α)sin(β)