find slope of line if angel is 90°
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Step-by-step explanation:
Slope of a line is given by tany for y is the angle
Between the line and x axis
Given y=90°
tan90= not defined or infinity
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Answer:
The tangent value of any trigonometric angle that a straight line makes with the positive direction of the x-axis in anticlockwise direction is called the slope or gradient of a straight line.
A line parallel to y-axis that is i.e., perpendicular to x - axis makes an angle of 90° with x - axis, so it's slope is tan π2 = infinity.
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