<acos type="special_function" name="acos" auto_bracket="True" title="acos(x)" mathml='acos'>
	<info>Inverse Cosine</info>
	<wiki>Cosine</wiki>
	<latex>"\cos^{-1} "+self["args"].to_latex()</latex>
	<sympy>acos(*args)</sympy>
	<symbol>acos(x)</symbol>
	<category>Trigonometry</category>
   <priority>89</priority>
</acos>
