A student used the graph below to identify the minimum/maximum. The student said the graph had a maximum of 1. Explain the stude
nts mistake and how the student can tell the difference between a maximum and minimum. (Write your answer in at least 2 complete sentences).
1 answer:
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<h3>Answer: 
</h3>
Explanation:
The identity we'll use is cos(-x) = cos(x) for any value of x.
So cos(-150) = cos(150).
Then locate the angle 150 on the unit circle. The terminal point is
The x coordinate of this terminal point is the value of cos(150).