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I would like to fill with shade color the region between two sinusoids. Here's my code:

\documentclass{article}
\usepackage{tikz}
\begin{document}
\begin{tikzpicture}[scale=1.3, every node/.style={font=\scriptsize}]
% Draw axes
\draw[<->,thick] (0,2.5) node[above] (y) {$\rho$} |- (3.5,0) node[right] (x) {$\theta$};
\coordinate (c) at (1.5, 1);
\draw [fill=blue] (0,1) sin (0,1.5) cos (c); 
\draw [fill=blue] (0.3,0) cos(c);
\draw [fill=blue] (c) sin (2.5, 1.5);
\draw [fill=blue] (c) sin (2.5, 0.5);
\end{tikzpicture}
\end{document}
percusse
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bluenot20
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    Use stack plots (see Fill the area between two curves calculated by pgfplots) – Jake Apr 22 '13 at 19:43
  • Ah, sorry, bit too quick here: Use pgfplots, and then use stack plots – Jake Apr 22 '13 at 19:44
  • I can't get this working... That looks quite tricky. – bluenot20 Apr 22 '13 at 21:11
  • @bluenot20, can you add to your question if you seek a non-pgfplot solution or not? I am not particularly interested in this question but user @YaroslavNikitenko suggested in an attempted edit that this is not a duplicated or related to pointed answer because this is specific of TikZ and not pgfplots. Besides the fact that he can vote reopen, it is not clear if the intention of the question is to answer without using pgfplots. – alfC Apr 11 '15 at 11:05

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