Question

Find the definding set of the function: y= √(1 - Cos3x ) / (1 + Sin4x )

Answer 1

`y = \frac{\sqrt{\left( 1 - \cos (x\,\text{Rationalize}(0.0523599))\right) }}{\sqrt{\left( 1+\sin (x\,\text{Rationalize}(0.0698132))\right) }}`