Verify the identity. cos 4x + cos 2x = 2 - 2 sin^2(2x) - 2 sin^2 x
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Based on the data presented, it can be concluded out of the 52 females 26 prefer cats.
<h3>How to read the graph?</h3>To read the graph we must take into account that the rows refer to the preference of men, preference of women and those who have no preference.
On the other hand, the columns refer to the number of students of both genders who prefer or do not prefer each animal. Additionally, adding all the students of each gender we have the total of the sample.
According to the above, the total sample of female students would be 52.
- 20 + 26 + 6 = 52
According to the above, the fraction that expresses this relationship correctly is:
Note: This question is incomplete because the graph is missing. Here is the graph.
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Answer:
It lies between 5 and 6
Step-by-step explanation:
x is the root of 30