(x)xy=sec(x+y)

If (sec x)^y = (sec y)^x then find dy/dx .

The general solution of the differential equation x.cos(y/x)(ydx+xdy)=y sin(y/x)(xdy-ydx) is (A) xy=c sec((x)/(y)) (B) y=xc sec((x)/(y)) (C) xy=c sec((y)/(x)) (D) None of these

The quotient of x by y added to the product of x and y is written as (x)/(y)+xy(b)(y)/(x)+xy(c)(xy+x)/(y) (d) (xy+y)/(x)

lim_ (x rarr0) ((x + y) sec (x + y) -y sec y) / (x)

Find dy/dx if sec(x+y) = xy

Find dy/dx if sec(x+y) = xy

sec^(2)x=(4xy)/((x+y)^(2)) is true if and only if

If z=sec^(-1)(x+(1)/(x))+sec^(-1)(y+(1)/(y)) where xy<0, then the possible value of z is (are)

Find (dy)/(dx) when x and y are connected by the relation given: sec(x+ y) = xy

The solution of the differential equation cos y log(sec x+tan x)dx=cos x log(sec y+tan y)dy is (a) sec^(2)x+sec^(2)y=c(b)sec x+sec y=c(c)sec x-sec y=c(d)Non of these