Show that the tangent of an angle between the lines (x)/(a) + (y)/( b) – InterviewSolution

InterviewSolution

1.	Show that the tangent of an angle between the lines (x)/(a) + (y)/( b) = 1 and (x)/( a) - (y)/( b) = 1 is (2 ab)/( a^(2) - b^(2) ).
Answer» ANSWER :`theta= TAN^(-1)""((2ab)/( a^(2) - B^(2) ))`

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