表达式1: left brace, 0 less than or equal to "x" less than or equal to 1 : StartFraction, 2 Over pi "n" , EndFraction arcsin left parenthesis, sin left parenthesis, 2 pi "n" "x" , right parenthesis , right parenthesis , right brace 有图表。 要进行音频跟踪,按“Alt 键 + T”。0≤x≤1:2πnarcsinsin2πnx