Fcn.md

@@ -45,3 +45,11 @@ to the Mux (and will be referred to as 'u[2]' and 'u[3]' in the function
 expression), and the third input variable ('In3') is connected to the
 fourth, fifth, and sixth inputs to the Mux (referred to as 'u[4]', 'u[5]',
 and 'u[6]', respectively).
+
+## Examples
+
+### Cosine
+Block layout:
+![image](uploads/bc8bf44145169fc090f7e250a474bb35/image.png)
+Example Expression:
+![image](uploads/26e582998f05b464b3a93df6ec6068db/image.png)
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