Cylindrical Coordinates in 3D Plane

For more figures related to the definition of coordinate systems, please have a look at the “coordinates” tag.

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\documentclass[border=3pt]{standalone}
%Drawing
\usepackage{tikz}
%3D
\usepackage{tikz-3dplot}
%Tikz Library
\usetikzlibrary{angles, quotes, intersections}
%Styles
\tikzset{axis/.style={thick,-latex}}
\tikzset{vec/.style={thick,blue}}
\tikzset{univec/.style={thick,red,-latex}}
%Notation
\usepackage{physics}
\usepackage{bm}
\begin{document}
    
    \tdplotsetmaincoords{70}{110}
    %
    \pgfmathsetmacro{\thetavec}{48.17}
    \pgfmathsetmacro{\phivec}{63.5}
    %
    
    \begin{tikzpicture}[tdplot_main_coords]
        %Axis
        \draw[axis] (0,0,0) -- (6,0,0) node [pos=1.1] {$x$};
        \draw[axis] (0,0,0) -- (0,6,0) node [pos=1.05] {$y$};
        \draw[axis] (0,0,0) -- (0,0,5.5)  node [pos=1.05] {$z$};   
        
        %Help Lines
        \draw[dashed] (2,4,4) -- (2,4,0);
        \draw[dashed] (2,0,0) -- (2,4,0) node [pos=-0.1] {$x$};
        \draw[dashed] (0,4,0) -- (2,4,0) node [pos=-0.35, left] {$y$};
        \draw[dashed] (0,0,4) -- (2,4,4) node [pos=-0.1] {$z$};
        \draw[dashed, tdplot_main_coords] (4.47,0,0) arc (0:90:4.47);
        
 
 
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