derive the formula to find the angle between two straight lines with slope M1 and M2 hence find the slope of the line which makes an angle pi by 4 with the line x - 2y + 5 is equal to zero
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Answer: For two lines to be parallel their slopes must be equal.27-Feb-2021
Step-by-step explanation:
The angle between two lines can be calculated from the slopes of the lines or from the equation of the two lines. The simplest formula to find the angle between the two lines is from the slope of the two lines. The angle between two lines with slopes m1 m 1 , and m2 m 2 respectively is Tanθ = m1−m21+m1.
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