# Can I graph display maths? [closed]

I'd like to graph these expressions

1. \frac1{2\pi}\int_{-\pi}^\pi{f(x)}dx+\sum_{n=1}^2\left[\left(\frac1\pi\int_{-\pi}^\pi{f(x)}\cos(nx)dx\right)\cos(nx)+\left(\frac1\pi\int_{-\pi}^\pi{f(x)}\sin(nx)dx\right)\sin(nx)\right]

2. \frac1{2\pi}\int_{-\pi}^\pi{f(x)}dx+\sum_{n=1}^5\left[\left(\frac1\pi\int_{-\pi}^\pi{f(x)}\cos(nx)dx\right)\cos(nx)+\left(\frac1\pi\int_{-\pi}^\pi{f(x)}\sin(nx)dx\right)\sin(nx)\right]

3. \frac1{2\pi}\int_{-\pi}^\pi{f(x)}dx+\sum_{n=1}^{10}\left[\left(\frac1\pi\int_{-\pi}^\pi{f(x)}\cos(nx)dx\right)\cos(nx)+\left(\frac1\pi\int_{-\pi}^\pi{f(x)}\sin(nx)dx\right)\sin(nx)\right]


Is it possible to graph them without having to tediously convert them all into pgfplots-maths by hand?