Prove that points of the curve `y^2=4a{x+asin(x/a)}` at which tangents are parallel to x-axis lie on the parabola.

Prove that points of the curve y^(2)=4a{x+a sin((x)/(a))} at which tangents are parallel to x-axis lie on the parabola.

Prove that all points on the curve y^(2)=4a[x+a sin(x/a)] at which the tangent is parallel to the x-axis lie on a parabola.

Prove that all the point on the curve y=sqrt(x+sin x) at which the tangent is parallel to x -axis lie on parabola.

Prove that all points of the curve y^2=4a[x+asinx/a] at which the langent is parallel to the axis of x, lie on a parabola.

Prove that all the point on the curve y=sqrt(x+sinx) at which the tangent is parallel to x-axis lie on parabola.

Prove that all the point on the curve y=sqrt(x+sinx) at which the tangent is parallel to x-axis lie on parabola.

Prove that all the point on the curve y=sqrt(x+sinx) at which the tangent is parallel to x-axis lie on parabola.

Prove that all points on the curve y^(2)=4a[x+a sin((x)/(a))] at which the tangent is parallel to the X - axis lie on the parabola y^(2)=4ax .

All points on the curve y^(2)=4a(x+a" sin"(x)/(a)) at which the tangents are parallel to the axis of x lie on a