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DedPeter [7]
3 years ago
9

Which of these expressions is the simplified form of the expression (Sin(x)/1-cos^2(x)) tan(x/2)?

Mathematics
1 answer:
FromTheMoon [43]3 years ago
5 0

Answer:C

1/1+cos(x)

Step-by-step explanation:

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The model represents the equation 3x - 2 < 4 what is the solution for this inequality
musickatia [10]

Answer:

<em>x < 2</em>

<em />

Step-by-step explanation:

3x - 2 < 4

 <em>  + 2 | + 2</em>

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         ↓

<em>(3x) / 3  <  6 / 3</em>

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Find the missing the side of the triangle A. 130−−−√ m B. 179−−−√ m C. 42–√ m D. 211−−−√ m
LuckyWell [14K]

Answer:

<h2>The answer is option A</h2>

Step-by-step explanation:

Since the triangle is a right angled triangle we can use the Pythagoras theorem to find the missing side

Using the Pythagoras theorem

That's

{a}^{2}  =  {b}^{2}  +  {c}^{2}

From the question

x is the hypotenuse or the longest side of the triangle

Substituting the values into the above formula we have

{x}^{2}  =  {9}^{2}  +  {7}^{2}

{x}^{2}  = 81 + 49

{x}^{2}  = 130

Find the square root of both sides

We have the final answer as

<h3>x = √130 m</h3>

Hope this helps you

7 0
3 years ago
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