\\begin{tikzpicture}\n\\draw[thick,rounded corners=4pt] (0,0) -- (0,2) -- (1,3.25) -- (2,2) -- (2,0) -- (0,2) -- (2,2) -- (0,0) -- (2,0);\n\\end{tikzpicture}\n
\\begin{tikzpicture}[scale=3,line cap=round]\n\\tikzset{important line/.style={very thick}}\n\\colorlet{anglecolor}{green!50!black}\n\\colorlet{sincolor}{red}\n\\colorlet{coscolor}{blue}\n\\colorlet{tancolor}{orange!80!black}\n\\draw[help lines,very thin] (-1.4,-1.4) grid[step=0.5cm] (1.4,1.4);\n\\draw (0,0) circle[radius=1];\n\\end{tikzpicture}\n
\\begin{tikzpicture}[scale=3,line cap=round]\n\\tikzset{important line/.style={very thick}}\n\\colorlet{anglecolor}{green!50!black}\n\\colorlet{sincolor}{red}\n\\colorlet{coscolor}{blue}\n\\colorlet{tancolor}{orange!80!black}\n\\draw[help lines,very thin] (-1.4,-1.4) grid[step=0.5cm] (1.4,1.4);\n\\draw (0,0) circle[radius=1];\n\\begin{scope}\n\\draw[->] (-1.5,0) -- (1.5,0) node[right] {$x$} coordinate (x axis);\n\\draw[->] (0,-1.5) -- (0,1.5) node[above] {$y$} coordinate (y axis);\n\\draw[xshift=-1 cm] (0pt,1pt) -- (0pt,-1pt) node[below,fill=white] {$-1$};\n\\draw[xshift=-0.5 cm] (0pt,1pt) -- (0pt,-1pt) node[below,fill=white] {$-0.5$};\n\\draw[xshift=0 cm] (0pt,1pt) -- (0pt,-1pt) node[below,fill=white] {$0$};\n\\draw[xshift=0.5 cm] (0pt,1pt) -- (0pt,-1pt) node[below,fill=white] {$0.5$};\n\\draw[xshift=1 cm] (0pt,1pt) -- (0pt,-1pt) node[below,fill=white] {$1$};\n\\draw[yshift=-1 cm] (1pt,0pt) -- (-1pt,0pt) node[left,fill=white] {$-1$};\n\\draw[yshift=-0.5 cm] (1pt,0pt) -- (-1pt,0pt) node[left,fill=white] {$-0.5$};\n\\draw[yshift=0 cm] (1pt,0pt) -- (-1pt,0pt) node[left,fill=white] {$0$};\n\\draw[yshift=0.5 cm] (1pt,0pt) -- (-1pt,0pt) node[left,fill=white] {$0.5$};\n\\draw[yshift=1 cm] (1pt,0pt) -- (-1pt,0pt) node[left,fill=white] {$1$};\n\\end{scope}\n\\end{tikzpicture}\n
\\begin{tikzpicture}[scale=3,line cap=round]\n\\tikzset{important line/.style={very thick}}\n\\colorlet{anglecolor}{green!50!black}\n\\colorlet{sincolor}{red}\n\\colorlet{coscolor}{blue}\n\\colorlet{tancolor}{orange!80!black}\n\\draw[help lines,very thin] (-1.4,-1.4) grid[step=0.5cm] (1.4,1.4);\n\\draw (0,0) circle[radius=1];\n\\begin{scope}\n\\draw[->] (-1.5,0) -- (1.5,0) node[right] {$x$} coordinate (x axis);\n\\draw[->] (0,-1.5) -- (0,1.5) node[above] {$y$} coordinate (y axis);\n\\draw[xshift=-1 cm] (0pt,1pt) -- (0pt,-1pt) node[below,fill=white] {$-1$};\n\\draw[xshift=-0.5 cm] (0pt,1pt) -- (0pt,-1pt) node[below,fill=white] {$-0.5$};\n\\draw[xshift=0 cm] (0pt,1pt) -- (0pt,-1pt) node[below,fill=white] {$0$};\n\\draw[xshift=0.5 cm] (0pt,1pt) -- (0pt,-1pt) node[below,fill=white] {$0.5$};\n\\draw[xshift=1 cm] (0pt,1pt) -- (0pt,-1pt) node[below,fill=white] {$1$};\n\\draw[yshift=-1 cm] (1pt,0pt) -- (-1pt,0pt) node[left,fill=white] {$-1$};\n\\draw[yshift=-0.5 cm] (1pt,0pt) -- (-1pt,0pt) node[left,fill=white] {$-0.5$};\n\\draw[yshift=0 cm] (1pt,0pt) -- (-1pt,0pt) node[left,fill=white] {$0$};\n\\draw[yshift=0.5 cm] (1pt,0pt) -- (-1pt,0pt) node[left,fill=white] {$0.5$};\n\\draw[yshift=1 cm] (1pt,0pt) -- (-1pt,0pt) node[left,fill=white] {$1$};\n\\end{scope}\n\\path[fill=green!20,draw=anglecolor] (0,0) -- (3mm,0mm) arc[start angle=0,end angle=30,radius=3mm] --cycle;\n\\draw (15:2mm) node[anglecolor] {$\\alpha$};\n\\draw[important line,sincolor] (30:1cm) -- (30:1cm |- x axis) node[left=1pt,fill=white,pos=0.5] {$\\sin \\alpha$};\n\\draw[important line,coscolor] (30:1cm |- x axis) -- (0,0) node[below=2pt,fill=white,pos=0.5] {$\\cos \\alpha$};\n\\end{tikzpicture}\n
\\begin{tikzpicture}[scale=3,line cap=round]\n\\tikzset{important line/.style={very thick}}\n\\colorlet{anglecolor}{green!50!black}\n\\colorlet{sincolor}{red}\n\\colorlet{coscolor}{blue}\n\\colorlet{tancolor}{orange!80!black}\n\\draw[help lines,very thin] (-1.4,-1.4) grid[step=0.5cm] (1.4,1.4);\n\\draw (0,0) circle[radius=1];\n\\begin{scope}\n\\draw[->] (-1.5,0) -- (1.5,0) node[right] {$x$} coordinate (x axis);\n\\draw[->] (0,-1.5) -- (0,1.5) node[above] {$y$} coordinate (y axis);\n\\draw[xshift=-1 cm] (0pt,1pt) -- (0pt,-1pt) node[below,fill=white] {$-1$};\n\\draw[xshift=-0.5 cm] (0pt,1pt) -- (0pt,-1pt) node[below,fill=white] {$-0.5$};\n\\draw[xshift=0 cm] (0pt,1pt) -- (0pt,-1pt) node[below,fill=white] {$0$};\n\\draw[xshift=0.5 cm] (0pt,1pt) -- (0pt,-1pt) node[below,fill=white] {$0.5$};\n\\draw[xshift=1 cm] (0pt,1pt) -- (0pt,-1pt) node[below,fill=white] {$1$};\n\\draw[yshift=-1 cm] (1pt,0pt) -- (-1pt,0pt) node[left,fill=white] {$-1$};\n\\draw[yshift=-0.5 cm] (1pt,0pt) -- (-1pt,0pt) node[left,fill=white] {$-0.5$};\n\\draw[yshift=0 cm] (1pt,0pt) -- (-1pt,0pt) node[left,fill=white] {$0$};\n\\draw[yshift=0.5 cm] (1pt,0pt) -- (-1pt,0pt) node[left,fill=white] {$0.5$};\n\\draw[yshift=1 cm] (1pt,0pt) -- (-1pt,0pt) node[left,fill=white] {$1$};\n\\end{scope}\n\\path[fill=green!20,draw=anglecolor] (0,0) -- (3mm,0mm) arc[start angle=0,end angle=30,radius=3mm] --cycle;\n\\draw (15:2mm) node[anglecolor] {$\\alpha$};\n\\draw[important line,sincolor] (30:1cm) -- (30:1cm |- x axis) node[left=1pt,fill=white,pos=0.5] {$\\sin \\alpha$};\n\\draw[important line,coscolor] (30:1cm |- x axis) -- (0,0) node[below=2pt,fill=white,pos=0.5] {$\\cos \\alpha$};\n\\path[name path=upward line] (1,0) -- (1,1);\n\\path[name path=sloped line] (0,0) -- (30:1.5);\n\\draw[name intersections={of=upward line and sloped line, by=t}] ;\n\\draw[tancolor,very thick] (1,0) -- (t) node[right=1pt,fill=white,pos=0.5] {$\n \\displaystyle\n \\tan \\alpha\n \\color{black} = \\frac{\n \\color{red} \\sin \\alpha}{\n \\color{blue} \\cos \\alpha}\n $};\n\\draw (0,0) -- (t);\n\\end{tikzpicture}\n
\\begin{tikzpicture}\n\\tikzset{x=1ex,y=1ex}\n\\clip (-0.215,-1.2) rectangle (6.6,1.74);\n\\tikzset{every node/.style={inner sep=0,outer sep=0}}\n\\draw[darkgray,line cap=round,semithick] (0,-1) -- (0,1) .. controls (0.9,1.1) and (0.9,-0.1) .. (0,0) [xshift=1ex] (0,1) .. controls (0,0) .. (0.7,0) (0.7,1) -- (0.7,0) .. controls (0.7,-1) .. (0,-1) [xshift=0.8ex] (0,0) node[anchor=base west] {\\color{darkgray}Ti\\emph{\\color{orange}k}Z};\n\\draw[ultra thin,fill=white] (0,-1) circle[radius=0.25pt] (0,1) circle[radius=0.25pt] (0,0) circle[radius=0.25pt] [xshift=1ex] (0,1) circle[radius=0.25pt] (0.7,0) circle[radius=0.25pt] (0.7,1) circle[radius=0.25pt] (0,-1) circle[radius=0.25pt];\n\\end{tikzpicture}\n
\\begin{tikzpicture}\n\\colorlet{action}{red!80!black}\n\\colorlet{coordinate}{blue!60!black}\n\\colorlet{option}{violet}\n\\colorlet{operation}{lime!60!black}\n\\tikzset{every node/.style={inner sep=0,outer sep=0}}\n\\tikzset{font=\\tt}\n\\node (a) {pic};\n\\node[anchor=base west] (a2) at (a.base east) {.};\n\\node[anchor=base west,color=action] (b) at (a2.base east) {draw};\n\\node[anchor=base west] (c) at (b.base east) {(};\n\\node[anchor=base west,color=coordinate] (d) at (c.base east) {(-1.4, -1.4)};\n\\node[anchor=base west] (e) at (d.base east) {,$~$};\n\\node[anchor=base west,color=operation] (f) at (e.base east) {grid};\n\\node[anchor=base west] (g) at (f.base east) {(};\n\\node[anchor=base west,color=coordinate] (h) at (g.base east) {(-1.4, -1.4)};\n\\node[anchor=base west] (i) at (h.base east) {,$~$};\n\\node[anchor=base west,color=option] (j) at (i.base east) {step=0.5};\n\\node[anchor=base west] (k) at (j.base east) {)};\n\\node[anchor=base west] (k2) at (k.base east) {,$~$};\n\\node[anchor=base west,color=option] (l) at (k2.base east) {help\\_lines=True};\n\\node[anchor=base west] (m) at (l.base east) {)};\n\\end{tikzpicture}\n
\\begin{tikzpicture}\n\\colorlet{action}{red!80!black}\n\\colorlet{coordinate}{blue!60!black}\n\\colorlet{option}{violet}\n\\colorlet{operation}{lime!60!black}\n\\tikzset{every node/.style={inner sep=0,outer sep=0}}\n\\tikzset{font=\\tt}\n\\node (a) {pic};\n\\node[anchor=base west] (a2) at (a.base east) {.};\n\\node[anchor=base west,color=action] (b) at (a2.base east) {draw};\n\\node[anchor=base west] (c) at (b.base east) {(};\n\\node[anchor=base west,color=coordinate] (d) at (c.base east) {(-1.4, -1.4)};\n\\node[anchor=base west] (e) at (d.base east) {,$~$};\n\\node[anchor=base west,color=operation] (f) at (e.base east) {grid};\n\\node[anchor=base west] (g) at (f.base east) {(};\n\\node[anchor=base west,color=coordinate] (h) at (g.base east) {(-1.4, -1.4)};\n\\node[anchor=base west] (i) at (h.base east) {,$~$};\n\\node[anchor=base west,color=option] (j) at (i.base east) {step=0.5};\n\\node[anchor=base west] (k) at (j.base east) {)};\n\\node[anchor=base west] (k2) at (k.base east) {,$~$};\n\\node[anchor=base west,color=option] (l) at (k2.base east) {help\\_lines=True};\n\\node[anchor=base west] (m) at (l.base east) {)};\n\\tikzset{downarrow/.style={shorten <=0.8em,shorten >=0.4em,<-}}\n\\tikzset{uparrow/.style={shorten <=0.4em,shorten >=0.8em,<-}}\n\\tikzset{font=\\sf\\small}\n\\draw[downarrow] (a.base) -- +(0,2.5em) node[anchor=base] {picture object};\n\\draw[uparrow] (b.base) -- +(0,-2.5em) node[anchor=base,color=action,align=center,yshift=-\\baselineskip] {path\\\\action};\n\\draw[downarrow] (h.base) -- +(0,2.5em) node[anchor=base,color=coordinate] {coordinate};\n\\draw[uparrow] (f.base) -- +(0,-2.5em) node[anchor=base,color=operation] {path operation};\n\\draw[downarrow] (d.base) -- +(0,2.5em) node[anchor=base,color=coordinate] {coordinate};\n\\draw[uparrow] (j.base) -- +(0,-2.5em) node[anchor=base,color=option,align=center,yshift=-\\baselineskip] {path oper.\\\\option};\n\\draw[downarrow] (l.base) -- +(0,2.5em) node[anchor=base,color=option] {path action option};\n\\end{tikzpicture}\n
\\begin{tikzpicture}\n\\colorlet{action}{red!80!black}\n\\colorlet{coordinate}{blue!60!black}\n\\colorlet{option}{violet}\n\\colorlet{operation}{lime!60!black}\n\\tikzset{every node/.style={inner sep=0,outer sep=0}}\n\\tikzset{font=\\tt}\n\\node (a) {pic};\n\\node[anchor=base west] (a2) at (a.base east) {.};\n\\node[anchor=base west,color=action] (b) at (a2.base east) {draw};\n\\node[anchor=base west] (c) at (b.base east) {(};\n\\node[anchor=base west,color=coordinate] (d) at (c.base east) {(-1.4, -1.4)};\n\\node[anchor=base west] (e) at (d.base east) {,$~$};\n\\node[anchor=base west,color=operation] (f) at (e.base east) {grid};\n\\node[anchor=base west] (g) at (f.base east) {(};\n\\node[anchor=base west,color=coordinate] (h) at (g.base east) {(-1.4, -1.4)};\n\\node[anchor=base west] (i) at (h.base east) {,$~$};\n\\node[anchor=base west,color=option] (j) at (i.base east) {step=0.5};\n\\node[anchor=base west] (k) at (j.base east) {)};\n\\node[anchor=base west] (k2) at (k.base east) {,$~$};\n\\node[anchor=base west,color=option] (l) at (k2.base east) {help\\_lines=True};\n\\node[anchor=base west] (m) at (l.base east) {)};\n\\tikzset{downarrow/.style={shorten <=0.8em,shorten >=0.4em,<-}}\n\\tikzset{uparrow/.style={shorten <=0.4em,shorten >=0.8em,<-}}\n\\tikzset{font=\\sf\\small}\n\\draw[downarrow] (a.base) -- +(0,2.5em) node[anchor=base] {picture object};\n\\draw[uparrow] (b.base) -- +(0,-2.5em) node[anchor=base,color=action,align=center,yshift=-\\baselineskip] {path\\\\action};\n\\draw[downarrow] (h.base) -- +(0,2.5em) node[anchor=base,color=coordinate] {coordinate};\n\\draw[uparrow] (f.base) -- +(0,-2.5em) node[anchor=base,color=operation] {path operation};\n\\draw[downarrow] (d.base) -- +(0,2.5em) node[anchor=base,color=coordinate] {coordinate};\n\\draw[uparrow] (j.base) -- +(0,-2.5em) node[anchor=base,color=option,align=center,yshift=-\\baselineskip] {path oper.\\\\option};\n\\draw[downarrow] (l.base) -- +(0,2.5em) node[anchor=base,color=option] {path action option};\n\\draw[color=lightgray] (d.base west) ++(0,-0.4em) -- +(0,-4.1em) coordinate (n);\n\\draw[color=lightgray] (k.base east) ++(0,-0.4em) -- +(0,-4.1em) coordinate (o);\n\\draw[decorate,decoration={brace,mirror},color=lightgray] (n) -- (o) node[pos=0.5,below=0.6em,color=black] {path specification};\n\\path (current bounding box.north east) +(2em, 2em);\n\\path (current bounding box.south west) +(-2em, -2em);\n\\end{tikzpicture}\n