Str. Lines

2 points P(a.0) amd Q(-a,0) are given and R is variable point on 1 side of the line PQ such that <RPQ - <RQP is a positive constant 2θ.Show that the locus of R is ---
x2-y2±2xy cot 2θ - a2 =0

2 Answers

11
Gone.. ·

sum1 pls do this

1357
Manish Shankar ·

take R as (h,k)

given

tan-1(k/(h-a))-tan-1(k/(h+a))=2θ

take tan both sides and solve

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