If the equation x ^ 2sina-y ^ 2cosa = 1 for X, y denotes an ellipse, then which quadrant is the center of the circle (x + Sina) ^ 2 + (y + COSA) ^ 2 = 9?

If the equation x ^ 2sina-y ^ 2cosa = 1 for X, y denotes an ellipse, then which quadrant is the center of the circle (x + Sina) ^ 2 + (y + COSA) ^ 2 = 9?

The equation x ^ 2sina-y ^ 2cosa = 1 represents an ellipse
Sina. > 0 cosa