gaussian approx to cos | Desmos

Expression 3: 1 minus StartFraction, cos left parenthesis, 2 pi "x" , right parenthesis plus "a" cos left parenthesis, 4 pi "x" , right parenthesis Over 1 plus abs left parenthesis, "a" , right parenthesis , EndFraction left brace, 0 less than "x" less than 1 , right brace

3

Expression 4: negative StartFraction, sin left parenthesis, 2 pi "x" , right parenthesis plus 2 "a" sin left parenthesis, 4 pi "x" , right parenthesis Over 1 plus abs left parenthesis, "a" , right parenthesis , EndFraction left brace, 0 less than "x" less than 1 , right brace

4

Expression 5: "a" equals negative 0.2 8

negative 1

1

5

6

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