Replace incorrect atan with acos

The page describes the acos function, but text incorrectly said atan.
BSVino · May 2, 2021 · 7962941 · 7962941
1 parent 47a6760
commit 7962941
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/sl4/acos.xhtml b/sl4/acos.xhtml
@@ -40,7 +40,7 @@
       <div class="refsect1" id="description">
         <h2>Description</h2>
         <p>
-            <code class="function">atan</code> returns the angle whose trigonometric cosine is
+            <code class="function">acos</code> returns the angle whose trigonometric cosine is
             <math overflow="scroll"><mi mathvariant="italic">x</mi></math>.
             The range of values returned by <code class="function">acos</code> is
             <math overflow="scroll">