Posted by **Kewal** on Saturday, January 21, 2012 at 1:04am.

With oblique coordinates find the tangent of the angle between the straight lines

y = mx + c

my + x = d

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March 23, 2017
Posted by **Kewal** on Saturday, January 21, 2012 at 1:04am.

With oblique coordinates find the tangent of the angle between the straight lines

y = mx + c

my + x = d

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