Câu 5 (3.0 điểm) Cho đường tròn (O) bán kính R ngoại tiếp tam giác ABC có ba góc nhọn.
1 answer:
You might be interested in
Answer:
B. 4
Step-by-step explanation:
The given function is of the form:
A is called the amplitude of the given function.
We can read from the graph that, the function ranges between:
-4 and 4
This implies that:
Therefore the amplitude of the function is 4.
Hence the value of A must be 4.