1. sin-1x+sin-1y=c
2. cot-1x+cot-1y=c
3. tan-1x+tan-1y=c
4. sinh-1x+sinh-1y=c
sin-1x+sin-1y=c
1. ey=c(x2+x)
2. y=x(x+1)+c
3. y=(1+2x)+c
4. xy=x2+x+c
ey=c(x2+x)
1. 1-y2=|cx|
2. 1+y2=|cx|
3. 1-x2=|cy|
4. 1+x2=|cy|
1+y2=|cx|
1. -2
2. 2
3. -1
4. 1
1
1. x=coshy+c
2. x=sechy+c
3. x=sinhy+c
4. x=cothy+c
x=coshy+c
1. x2-y2=c
2. x2+y2=c
3. x2-y=c
4. x2+y=c
x2-y2=c
1. x+y+xy=1
2. x+y+1=xy
3. x+y+xy+1=0
4. x-y+xy=1
x+y+1=xy
1. 1+y2=cx2
2. (1+y2)x2=c
3. 1+y2=cx
4. (1+y2)x=c
1+y2=cx2
1. 3abc
2. 3abc-a3-b3-c3
3. 0
4. a3+b3+c3-3abc
3abc-a3-b3-c3
1. x+2
2. 2
3. x2+2
4. -2
-2