# Find the slope of the line which makes angle of 45° with the positive direction of the Y-axis measured anticlockwise - Mathematics and Statistics

Sum

Find the slope of the line which makes angle of 45° with the positive direction of the Y-axis measured anticlockwise

#### Solution

Since the line makes an angle of 45° with the positive direction of the Y-axis in the anticlockwise direction,
Inclination of the line (θ) = (90° + 45°)
∴ Slope of the line = tan(90° + 45°)
=− cot 45°
= −1

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