If `0lt=xlt=2pi, 0lt=ylt=2piandsinx+siny=2`, then `x+y=`

If 0lexle2pi,0leyle2piandsinx+siny=2 then x+y =

If 0lexle2pi,0le2piandsinx+siny=2 , then the value of x+y is

(i) Solve: cos(2x + 3y)=1/2, cos(3x+2y) = sqrt(3)/2 (ii) If 0 lt x lt pi, 0 lt y lt pi and cosx + cosy - cos(x+y)=3/2 , prove that x=y=pi/3 .

If 0 lt x lt pi/2 then

If 0 lt x lt pi/2 then

If 0 lt x lt pi/2 then

The equation of sinx+siny+sinz = - 3 for 0 lt= x lt= 2 pi, 0 lt= y lt= 2 pi, 0 lt=z lt= 2pi has :

If 0 lt x lt pi /2 then

If 0 lt x lt pi /2 then

If the area of the region {(x , y):0lt=ylt=x^2+1,0lt=ylt=x+1,0lt=xlt=2} is A , then the value of 3A-17 is____