Find the locus of point on the curve `y^2=4a(x+a sin(x/a))` where tangents are parallel to the axis of `x`

Find the locus of point on the curve y^2=4a(x+asin (x/a)) where tangents are parallel to the axis of xdot

Find the locus of point on the curve y^2=4a(x+as in x/a) where tangents are parallel to the axis of xdot

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

Find the point on the curve y= 4x - x^2 where the tangent is parallel to-the X-axis.

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.

The points on the curve y=sin x ,where the tangent is parallel to the x axis is

Find points on the curve x^2/4+y^2/25=1 at which the tangents are parallel to x-axis

Find the points on the curve x^(2)+y^(2)-2x-3=0 at which the tangents are parallel to the x-axis.