Editor
Which of the following are the parametric equations of a hyperbola
Difficulty: Easy
A: 
$x=a\tan \theta \, , \, y= b\cos \theta$
B: 
$x= a\,{\rm{cose}}{{\rm{c}}}\, \theta \, , \, y=b\tan \theta$
C: 
$x=a\sin \theta \, , \, y= b\cos \theta$
D: 
$x=a\sec \theta \, , \, y= b\tan \theta$
Sponsored Ads