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c语言中余弦函数求前n项和 C语言中三角函数值求角,用什么语句
C语言中三角函数值求角,用什么语句 反3角函数有 acos(double),asin(double),atan(double),atan(double,double),比如printf("asin=.2lf degreesn",asin(...
C语言中三角函数值求角,用什么语句 反3角函数有 acos(double),asin(double),atan(double),atan(double,double),比如printf("asin=.2lf degreesn",asin(...