try sin(8 * x)/2 * x/sin(t) or even sin(b * x * t/clamp(b/10,x/t,t)) * x * clamp(b/40 * t,x/10,t) or sin(b * x * t/clamp(b/10,x / t,t)) * x * clamp(b/40,x/10

try sin(8 * x)/2 * x/sin(t) or even sin(b * x * t/clamp(b/10,x/t,t)) * x * clamp(b/40 * t,x/10,t) or sin(b * x * t/clamp(b/10,x / t,t)) * x * clamp(b/40,x/10,t) or sin( b * x * t/clamp(b/10,x/t,t)) * x * (x-x * x) * clamp(b/4,sin (x * t) * x/10,t)