Conics - Parametrics (1 Viewer)

[kevda1st]

P ( a sec θ , b tan ) lies on the hyperbola x^2/a^2 - y^2/b^2 = 1

with foci S and S' (+/- ae , 0)

a) show that PS= a(e sec θ -1 ) and PS' = a (e sec θ + 1)
b) deduce that |PS - PS' | = 2a

 

[kevda1st]

nvm, found out how to do it after looking at the sticky solutions.

 

[Aerath]

Haha - sticky solutions?

 

[kevda1st]

http://community.boredofstudies.org...303/full-cambridge-fitzpatrick-solutions.html