the chord joining points the A(x) and B(B) on the hyperbola -= 1 is a focal chord, then prove at (a-B) (a+B)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.3: Hyperbolas
Problem 55E
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If the chord joining points the A(a) and B(B) on the hyperbola --1 is a focal chord, then prove
that
a-B
(a) te cos
이뜰
(=) = cos(a+P)
COS
B)
2
a
ke-1
(b) tan tan
+
= = 0 where k = ±1
2
ke +1
2
Transcribed Image Text:If the chord joining points the A(a) and B(B) on the hyperbola --1 is a focal chord, then prove that a-B (a) te cos 이뜰 (=) = cos(a+P) COS B) 2 a ke-1 (b) tan tan + = = 0 where k = ±1 2 ke +1 2
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