If light strikes the surface of glass with the equation r=r0 sin(ωt), the equation after reflection will be?

r=r0 cos(ωt)

r=r0 sin(ωt)

r=r0 tan(ωt)

r=r0 sec(ωt)

If light strikes the surface of glass with the equation r=r0 sin(ωt), the equation after reflection will be r=r0 sin(ωt).