slope of the line perpendicular to x-axis is
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Line perpendicular to x axis that is making 90° with x axis
Slope = tan 90° = not defined
Slope is undefined
Slope = tan 90° = not defined
Slope is undefined
drlngbaji1:
why to use tan90
slope = tan theta
why not we use sin90
and theta is the angle between line and x axis
The slope of a line in the plane containing the x and y axes is generally represented by the letter m, and is defined as the change in the y coordinate divided by the corresponding change in the x coordinate,
means slope = y/x which is equal to tan theta
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