dxdx0x
.
dxdy .
DXDLCDX.
(1/sinx)dx ...
dy=Ax+o(x)dxdxx
dx x dxdy. . y=fxxD. .
B=f (A)ABAdxdxdx .
dxxx1 x2 dx dyf (x2)-f (x1) dy/dx f (x)dx dytan.
dxdx0x
.
dxdy .
DXDLCDX.
(1/sinx)dx ...
dy=Ax+o(x)dxdxx
dx x dxdy. . y=fxxD. .
B=f (A)ABAdxdxdx .
dxxx1 x2 dx dyf (x2)-f (x1) dy/dx f (x)dx dytan.