Solve for y
y=\frac{\cos(x)}{10}
Solve for x
x=-\arccos(10y)+2\pi n_{1}\text{, }n_{1}\in \mathrm{Z}
x=\arccos(10y)+2\pi n_{2}\text{, }n_{2}\in \mathrm{Z}\text{, }|y|\leq \frac{1}{10}
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10y=\cos(x)
The equation is in standard form.
\frac{10y}{10}=\frac{\cos(x)}{10}
Divide both sides by 10.
y=\frac{\cos(x)}{10}
Dividing by 10 undoes the multiplication by 10.
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