bbw
Feb19-08, 02:00 AM
Hi all!
give: determine 4 stationery point in the region 0 <= x < pi ; 0 <= y < pi
z = sin^2xcosy + sin^2ycosx
...
sin^2x = sin^2y
( sinx + siny ) ( sinx - siny ) = 0
sinx = -siny
sinx = siny //I can only come to this stage
thus how to continue from here?
1. x = y + 2pi*K
2. y = -y + 2pi*k
how we obtain equation 1, 2 ( where 2pi & k come from )? please illustrate! Thank You!
give: determine 4 stationery point in the region 0 <= x < pi ; 0 <= y < pi
z = sin^2xcosy + sin^2ycosx
...
sin^2x = sin^2y
( sinx + siny ) ( sinx - siny ) = 0
sinx = -siny
sinx = siny //I can only come to this stage
thus how to continue from here?
1. x = y + 2pi*K
2. y = -y + 2pi*k
how we obtain equation 1, 2 ( where 2pi & k come from )? please illustrate! Thank You!