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{ The number of points }P(x,y) lying inside or on the circle }x^2+y^2=9 and satisfying the equation }}{\operatorname{tan}^4x+\operatorname{cot}^4x+2=4\operatorname{sin}^2y is

Answer» { The number of points }P(x,y) lying inside or on the circle }x^2+y^2=9 and satisfying the equation }}{\operatorname{tan}^4x+\operatorname{cot}^4x+2=4\operatorname{sin}^2y is


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