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Paladinen [302]
2 years ago
6

Which of the following best explains why cosine startfraction 2 pi over 3 endfraction not-equals cosine startfraction 5 pi over

3 endfraction? the angles do not have the same reference angle. Cosine is negative in the second quadrant and positive in the fourth quadrant. Cosine is positive in the second quadrant and negative in the fourth quadrant. The angles do not have the same reference angle or the same sign.
SAT
1 answer:
fomenos2 years ago
6 0

Cosine can be explained in different ways. The best explanation for why cosine start fraction 2 pi over 3 end fraction not-equals cosine start fraction 5 pi over 3 end fraction, is that;

  • Cosine is negative in the second quadrant and positive in the fourth quadrant.

<h3>What Cosine is all about</h3>

Note that the sine of any angle in the second quadrant is said to range between 90 and 180 degrees and it is regarded as positive. But, if the cosine and tangent of any angle is said to be in this quadrant, it is regarded as negative.

The cosine function can be said to be positive only in the first and fourth quadrants. And the tangent function is known to be also  positive in the first and third quadrants.

Learn more about Cosine from

brainly.com/question/24305408

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The rock cycle forms new rocks using which of the following processes? a. Crystallization c. Erosion b. Compaction d. All of the
kozerog [31]

Answer:

The rock cycle describes how rocks change as a result of natural processes. The rock cycle forms new rocks using the crystallization, erosion and compaction processes. This makes the correct answer: D: all of the above. Igneous rocks for example are rocks formed from the crystallization( formation of rock crystals in cooling magma) of a liquid. Sedimentary rocks are formed by erosion. However, in order to form a sedimentary rock, the accumulated sediment must become compacted and cemented together.

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2 years ago
In this excerpt, the author to persuade readers to believe in something.
alexandr402 [8]

The except gives the use of emotional opionion by author to pursue the audience.

<h3>Who is the author of It's Our World, Too!: Young People Who Are Making a Difference?</h3>

The book It's Our World, Too!: Young People Who Are Making a Difference is written by American writer Philip Hoose.

The essay develops the changes contributed to the world with the young generation. It comprises of stories of the Americans who stands against the injustice such as racism, gender discrimination and crime.

The excerpt gives the Hispanic players importance in the team, and thereby expresses emotional opinion to pursue the belief.

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2 years ago
Which of the following is a skill that will aid students in preparing for a test
blagie [28]
Studying will aid students perparing for tests.
5 0
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Career construction theory with postpartum depression
n200080 [17]

career construction theory with postpartum depression as stated by  Beck believes that the act of caring is the whole been of nursing.

<h3>What is Postpartum depression?</h3>

This is known to be one that is linked to the emotional problem that is faced in a a women's lifespan.

Note that Healthcare providers and physicians are people who can help women to make the right choices in terms of their treatment based on related theories.

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6 0
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The alpine house, incorporated, is a large retailer of snow skis. The company assembled the information shown below for the quar
natka813 [3]

From the income statement, it can be deduced that the net profit of Alpine house will be $8000.

<h3>How to calculate new profit</h3>

From the complete information, the net profit will be calculated thus:

Total sales revenue = $150000

Less: Cost of sales = $90000

Gross profit = $60000

Less: Variable selling expense = $10000

Less: Variable administrative expenses = $2000

Less: Total fixed selling expense = $20000

Less: Total fixed adminstrative expense = $20000

Net profit = $8000

In conclusion, the net profit is $8000.

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