docs: update related packages sections

PR-URL: #4739

Reviewed-by: Philipp Burckhardt <pburckhardt@outlook.com>

Author: stdlib-bot

lib/node_modules/@stdlib/math/base/special/cosd/README.md

@@ -170,6 +170,12 @@ int main( void ) {
 
 <section class="related">
 
+* * *
+
+## See Also
+
+-   <span class="package-name">[`@stdlib/math/base/special/tand`][@stdlib/math/base/special/tand]</span><span class="delimiter">: </span><span class="description">compute the tangent of an angle measured in degrees.</span>
+
 </section>
 
 <!-- /.related -->
@@ -182,6 +188,8 @@ int main( void ) {
 
 <!-- <related-links> -->
 
+[@stdlib/math/base/special/tand]: https://github.com/stdlib-js/stdlib/tree/develop/lib/node_modules/%40stdlib/math/base/special/tand
+
 <!-- </related-links> -->
 
 </section>

lib/node_modules/@stdlib/stats/base/dists/t/mode/README.md

@@ -206,7 +206,6 @@ int main( void ) {
 
 <!-- /.c -->
 
-
 <!-- Section to include cited references. If references are included, add a horizontal rule *before* the section. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
 
 <section class="references">