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Minchanka [31]
2 years ago
12

Tan y+cot y= sec y x csc y prove the identity (y is the variable)

Mathematics
1 answer:
adell [148]2 years ago
3 0

Answer:

Step-by-step explanation:

tany+coty =

\frac{siny}{cosy} + \frac{cosy}{siny}·

\frac{sin^{2}y + cos^{2}y  }{cosysiny}

\frac{1}{cosysiny}

(secy) (cscy)

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ch4aika [34]
<h2>Answer:</h2>

By process of elimination, we can eliminate:

  • <em>A:</em> <em>y = 3x - 1</em>
  • <em>C: y = 3x + 1</em>
  • <em>B: y = -3x</em>

<em>A and C</em> don't work because the given line has it's y-intercept at the origin, therefore, no y-intercept is written. <em>B </em>is not it either because the line <em>does not</em> go <em>down</em> from <em>left to right</em>, therefore, the slope is <em>not</em> negative.

The answer is <em>D: y = 3x</em> because since the line goes <em>up</em> from <em>left to right</em>, the slope is positive, and the y-intercept is the origin, so the equation will have no b.

7 0
2 years ago
5% times blank equals 2.5<br><br> NEED ASAP
lapo4ka [179]

Answer:

0.5

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Find the Value of X. If your answer is not an integer, express it in simplest radical form.
Gennadij [26K]
For each question we must apply the Pythagorean theorem and clear the value of x.
 question 5 
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 x = root (452)
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 question 6
 
x = root (8 ^ 2 + 15 ^ 2)
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 question 7
 
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 x = root (2 * (12 ^ 2))
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 question 8
 x = root (18 ^ 2 - 9 ^ 2)
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3 years ago
Please tell me if my answer is right <br> NO LIES brainlest<br> report you then
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Answer:

Your answers are correct.

Step-by-step explanation:

The "<" sign means less than and the ">" sign means greater than. It is clear that you have a handle on them.

1.) If Steve has no more that 28 toys, then the less than sign would represent the fact that Steve can have a maximum of 28 toys, and no more.

2.) If the temperature is more that 28 degrees Fahrenheit, then the greater than sign is appropriate in order to imply that the variable represents a higher temperature.

3.) If tony is younger than 29 years old, then the less than sign fits to show that the variable represents an age that is smaller than 29.

4.) If the table is greater than 29 kilograms, then the greater than sign is needed. It shows that the table has a greater weight than 29 kilograms.

Hope this helps! :D

4 0
2 years ago
3x^2 + 6 - 2x + 5x - 4x^2 + 9
Over [174]
3x * 3x = 9x

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-14x + (-3) is the expression?
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