Expression 3: Start sum from "n" equals 0 to "c" , end sum, "a" Superscript, "n" , Baseline cosine left parenthesis, "b" Superscript, "n" , Baseline pi "x" , right parenthesis left brace, "a" "b" greater than 1 plus 3 halves pi , right bracec∑n=0ancosbnπxab>1+32π
3
Expression 4: "c" equals 10c=10
00
1010
4
Note: “c” is suppose to be a really big number. if your device can handle it, make “c” be close to or equal to the biggest number desmos can handle.