[" If "(x,y)" satisfies the equation "],[1+4x-x^(2)=sqrt(9sec^(2)y+4cosec^(2)y)],[" then find the value of "x" and "tan^(2)y" ."]

If f(x,y) satisfies the equation 1+4x-x^(2)=sqrt(9sec^(2)y+4csc^(2)y) then find the value of x andtan y.

If f(x , y) satisfies the equation 1+4x-x^2=sqrt(9sec^2y+4cos e c^2y) then find the value of xtan^2ydot

If f(x , y) satisfies the equation 1+4x-x^2=sqrt(9sec^2y+4cos e c^2y) then find the value of xtan^2ydot

If f(x , y) satisfies the equation 1+4x-x^2=sqrt(9sec^2y+4cos e c^2y) then find the value of xa n dtan^2ydot

If f(x , y) satisfies the equation 1+4x-x^2=sqrt(9sec^2y+4cos e c^2y) then find the value of xa n dtan^2ydot

If (x,y) satisfy the equation 1+4x-x^(2)=sqrt(9(secy)^(2)+4(cos ecy)^(2)) then the value of xcoty is equal to

If x= (sqrt2+1)/(sqrt2-1) and x-y= 4sqrt2 then find the value of x^4+y^4 .

If x,y in R satisfy the equation x^(2)+y^(2)-4x-2y+5=0, then the value of the expression ((sqrt(x)-sqrt(y))^(2)+4sqrt(xy))/((x+sqrt(xy))) is

If y(x) satisfies the differential equation : y'-y tan x = 2 x sec x and y (0) =0 , then :