% Author: Till Tantau
% Source: The PGF/TikZ manual
\documentclass{minimal}
\usepackage{amsmath}\usepackage{amsthm}
\usepackage{tikz}
\usepackage{tkz-euclide} 
\usetkzobj{all} 
\usetikzlibrary{positioning}
\usetikzlibrary{calc,through,intersections}
\usetikzlibrary{shapes,snakes}
\usepackage{verbatim}
\usepackage{xepersian}
\setlength{\hoffset}{0.2cm}%1
\setlength{ \voffset}{-30pt}%2
\setlength{\oddsidemargin }{-6pt}%3
\setlength{\topmargin }{10pt}%4
\setlength{\headheight}{20pt}%5
\setlength{\headsep}{15pt}%6
\setlength{\textheight}{700pt}%7
\setlength{\textwidth}{440pt}%8
\setlength{\marginparsep }{+3pt}%9
\setlength{\marginparwidth}{-2pt}%10
\setlength{\footskip}{10pt}%11
\linespread{1.9}
\setlength{\parindent}{1.3em}
\setlength{\paperwidth}{100pt}
\setlength{\paperheight}{150pt}
\settextfont[Scale=1]{Yas}
\setlatintextfont[Scale=1]{Yas}
\setdigitfont[Scale=1]{Yas}

%\usetikzlibrary{trees,snakes}


\begin{document}
\pagestyle{empty}
\tikzstyle{mybox} = [draw=blue, fill=green!20, very thick,
    rectangle, rounded corners, inner sep=10pt, inner ysep=20pt]
\tikzstyle{fancytitle} =[fill=blue, text=white, ellipse]
\begin{tikzpicture}
\node [mybox] (box){%
    \begin{minipage}{0.40\textwidth}
       \begin{align*}
1) &\sin ( - \alpha ) = \sin (\alpha ) &\\ 
 &\cos ( - \alpha ) = \cos (\alpha ) &\\ 
 &\tan ( - \alpha ) = \tan (\alpha ) &\\ 
 &\cot ( - \alpha ) = \cot (\alpha ) &
 \end{align*}
    \end{minipage}
};
\node[fancytitle, right=10pt] at (box.north west) {\rl{تفاضل کمان}};
\node[fancytitle, rounded corners] at (box.east) {$\clubsuit$};
\end{tikzpicture}%
\tikzstyle{mybox} = [draw=blue, fill=green!20, very thick,
    rectangle, rounded corners, inner sep=10pt, inner ysep=20pt]
\tikzstyle{fancytitle} =[fill=blue, text=white, ellipse]
\begin{tikzpicture}
     \colorlet{anglecolor}{green!50!black}
\tkzInit[xmax=6,ymax=6]
\tkzGrid \tkzClip
\tkzDefPoint(3,3){O}
\tkzDefPoint(5,3){A}
\tkzDefPoint(3,6){B}
\tkzDefPoint(3,0){C}
\tkzDefPoint(6,3){B1}
\tkzDefPoint(0,3){C1}
\tkzDrawCircle(O,A)
\tkzDrawPoints(O)
\tkzLabelPoints[below left](O)
\begin{scope}
\tkzDrawVector(C,B)
\tkzLabelPoint[below right](B){$\sin$}
\tkzLabelPoint[above left](B1){$\cos$}
\tkzDrawVector(C1,B1)
\end{scope}
\tkzDefPointBy[rotation= center O angle 40](A)
\tkzGetPoint{x}
\tkzDrawPoints(x)
\tkzDefPointBy[rotation= center O angle -40](A)
\tkzGetPoint{y}
\tkzDrawPoints(y)
\tkzDrawSegments(O,y)
\tkzDrawSegments(O,x)
\tkzDrawSegments[style=dashed](x,y)
\tkzDefPointBy[projection=onto x--y](O)
\tkzGetPoint{z}
\tkzDrawPoints(z)
\tkzMarkRightAngles[fill=red!25](x,z,O)
\tkzMarkRightAngles[fill=red!25](y,z,O)
\tkzMarkAngle[fill=red!25,mkpos=.2, size=0.7cm](y,O,z)
\tkzMarkAngle[fill=green!25,mkpos=.2, size=0.7cm](z,O,x)
\tkzLabelAngle[pos=.5,size=.1cm  ](z,O,x){$\scriptstyle \alpha $}
\tkzLabelAngle[pos=.5,size=.1cm  ](z,O,y){$\scriptstyle - \alpha $}
\end{tikzpicture}
\end{document}