HyperbolaEasy
Question
-If the straight line x cos α + y sin α = p be a tangent to the hyperbola 
= 1, then-
= 1, then-Options
A.a2 cos2 α + b2 sin2 α = p2
B.a2 cos2 α − b2 sin2 α = p2
C.a2 sin2 α + b2 cos2 α = p2
D.a2 sin2 α − b2 cos2 α = p2
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