Cosine and sine of an angle θ are defined to be the x and y-coordinates of the point P on the unit circle with the property that the line from O to P makes and angle θ with the positve x-axis. cos(θ) ...
You can make a line graph in Excel in a matter of seconds using data already entered into the spreadsheet.
You can make a bar graph in Excel by first selecting the range you want to depict, and then using the dropdown menu to select the desired chart.