Question Number 195518 by jubair56 last updated on 04/Aug/23
$${y}=\frac{{x}^{\mathrm{3}} −\mathrm{27}}{{x}^{\mathrm{2}} +\mathrm{3}{x}+\mathrm{9}} \\ $$$${y}=\frac{{sin}^{\mathrm{2}} {x}}{\mathrm{1}+{cosx}} \\ $$$${y}=\frac{{sinx}+{cosx}}{\:\sqrt{\mathrm{1}+{cos}\mathrm{2}{x}}} \\ $$
Answered by Calculusboy last updated on 04/Aug/23
$${what}\:{are}\:{we}\:{doing}\left[{here}\right. \\ $$