Trigonometric Functions (id: bde25795d)

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

[填空题]
The following diagram shows the curve y=a cos-dxtx1lk+yd 7x 0v lxpa-47 iw (k(x-d))+c where a,dbq67(yn6a bf fu8u:g k, d and c are all positive constants. The curve has a minimuquauf b687 fd:n6(gyb m point at (1.5,2) and a maximum point at (3.5,7) .



1. Write down the value of a and the value of c . a =    c =   
2. Find the value of k .   
3. Find the smallest possible value of d , given d>0 .   

参考答案:
空格1: 2.5±2%  空格2: 4.5±2%  空格3: 1.570795±2%  空格4: 3.5±2% 


本题详细解析:

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