CBSE Class 11-science Answered
straight lines
Asked by tangocharliee | 12 Nov, 2009, 05:42: PM
Expert Answer
Slope of a straight line = tan θ.
If we select any of the two lines as with slope 1/2 making an angle θ with x axis, then the other line can be,
tan (θ±π/4).
Then the slope of the other line = tan (θ±π/4) = (tanθ±tanπ/4)/(1 - or + tanπ/4 tanθ),
is (1/2 - 1)/(1+1/2) = -1/3 or (1/2 + 1)/(1-1/2) = 3.
Regards,
Team,
TopperLearning.
Answered by | 13 Nov, 2009, 03:01: PM
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