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任意角三角函数的概念

> 有一种波，其波形为函数y=sin（ π 2 x）的图象，若在区间[0，t]上至少有2个波峰（图象的最高点），则正整数t的最小值是（　　） A．3 B．4 C．5 D．6

问题：

发布时间：2024-09-13

有一种波，其波形为函数y=sin（

π

2

x）的图象，若在区间[0，t]上至少有2个波峰（图象的最高点），则正整数t的最小值是（　　）

A．3 B．4 C．5 D．6

参考答案：

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有一种波，其波形为函数y=sin（ π 2 x）的图象，若在区间[0，t]上至少有2个波峰（图象的最高点），则正整数t的最小值是（ ） A．3 B．4 C．5 D．6

可能感兴趣的题目：

有一种波，其波形为函数y=sin（

π

2

x）的图象，若在区间[0，t]上至少有2个波峰（图象的最高点），则正整数t的最小值是（　　）

A．3 B．4 C．5 D．6