The equation of the normal to the curve y = x + sin x cos x at 
is
Given that the curve y = x + sin x cos x
Differentiating both the sides w.r.t. x,
Now,
Slope of the tangent 
When 
Equation of the normal:
⇒ 2x = π
Hence option D is correct.
1
The equation of the normal to the curve y = x + sin x cos x at is
Given that the curve y = x + sin x cos x
Differentiating both the sides w.r.t. x,
Now,
Slope of the tangent
When
Equation of the normal:
⇒ 2x = π
Hence option D is correct.