\tan($1)
endsnippet
+snippet asin "Arcsin" w
+\sin^{-1}($1)
+endsnippet
+
+snippet acos "Arccos" w
+\cos^{-1}($1)
+endsnippet
+
+snippet atan "Arctan" w
+\tan^{-1}($1)
+endsnippet
+
+snippet sins "Sin Squared" w
+\sin^{2}($1)
+endsnippet
+
+snippet coss "Cos Squared" w
+\cos^{2}($1)
+endsnippet
+
+snippet tans "Tan Squared" w
+\tan^{2}($1)
+endsnippet
+
snippet cis "Cis" w
\mathrm{cis}($1)
endsnippet