Mark (√) against the correct answer in the following:
If ?
Given that x+y=sin(x+y)
Differentiating with respect to x, we get
or
Hence, cos(x+y)=1 or
If cos(x+y)=1 then, x+y=2nπ, n∈ℤ
Hence x+y=sin(2nπ)=0 or y=-x
Differentiating with respect to x, we get
Hence,