Trigonometric Functions (id: f7137a528)

本题目来源于试卷: Trigonometric Functions，类别为 IB数学

[填空题]
Let f(x)=$a \cos b x+d$ , for $x \in \mathbb{R}$ , where b>0 . Part of the graph of f is shown on the diagram below.



1. Find the value of a .   
2. 1. Write down the period of f .   
2. Find the value of b .   
3. Find the value of d .   

参考答案:
空格1: 3±2%  空格2: 3.1315926±2%  空格3: 2±2%  空格4: 1±2% 


本题详细解析:

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