Find a Cartesian equation for the curve and identify it. r2 cos2θ=1?

polar-equation

#1

Find a Cartesian equation for the curve and identify it.

r2 cos2θ=1?

Answer:

Consider the polar equation,
image
Need to convert this equation into Cartesian equation.
Let the rectangular coordinates be (x, y).
The polar coordinates imageis defined as
image