f(x)=3- \frac{ 4 }{ ( { \left( \sin ( 2x ) \right) }^{ 2 } }
Solve for f
f=\frac{-\frac{4}{\left(\sin(2x)\right)^{2}}+3}{x}
\nexists n_{1}\in \mathrm{Z}\text{ : }x=\frac{\pi n_{1}}{2}
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xf=-\frac{4}{\left(\sin(2x)\right)^{2}}+3
The equation is in standard form.
\frac{xf}{x}=\frac{-\frac{4}{\left(\sin(2x)\right)^{2}}+3}{x}
Divide both sides by x.
f=\frac{-\frac{4}{\left(\sin(2x)\right)^{2}}+3}{x}
Dividing by x undoes the multiplication by x.
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