Expression 1: sine ( pi * "x" * 3 Superscript, left bracket, 0...3 cubed , right bracket , Baseline ) / 3 Superscript, left bracket, 0...3 cubed , right bracket , Baseline left brace, negative 1 less than "x" less than 1 , right brace Has graph. To audio trace, press ALT+T.sin(π*x*30...33)/30...33−1<x<1
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Expression 2: negative sine ( pi * "x" * 3 Superscript, left bracket, 0...3 cubed , right bracket , Baseline ) / 3 Superscript, left bracket, 0...3 cubed , right bracket , Baseline left brace, negative 1 less than "x" less than 1 , right brace Has graph. To audio trace, press ALT+T.−sin(π*x*30...33)/30...33−1<x<1