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-Dominant- [34]
3 years ago
10

How do you verify this trig identity?

Mathematics
2 answers:
fiasKO [112]3 years ago
7 0

Answer:

Step-by-step explanation:

\frac{ \sin(x) \csc(x) }{ \cot(x) }

cot(x)

sin(x)csc(x)

Rewrite csc(x) in terms of sin

\frac{ \sin(x) \frac{1}{ \sin(x) } }{ \cot(x) }

cot(x)

sin(x)

sin(x)

1

Multiply the numerator. Notice that the factors in the numerator are reciprocal so they will factor out to 1.

\frac{1}{ \cot(x) }

cot(x)

1

Notice that cotangent and tan are reciprocal so

\tan(x) = \tan(x)tan(x)=tan(x)

myrzilka [38]3 years ago
3 0

Step-by-step explanation:

\frac{ \sin(x) \csc(x)  }{ \cot(x) }

Rewrite csc(x) in terms of sin

\frac{ \sin(x) \frac{1}{ \sin(x) }  }{ \cot(x) }

Multiply the numerator. Notice that the factors in the numerator are reciprocal so they will factor out to 1.

\frac{1}{ \cot(x) }

Notice that cotangent and tan are reciprocal so

\tan(x)  =  \tan(x)

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Which are correct representations of the inequality –3(2x – 5) < 5(2 – x)? Select two options.
avanturin [10]

The correct simplified inequality is - 6x + 15 < 10 - 5x and the number line representation is "an open circle is at 5 and a bold line starts at 5 and is pointing to the right".

The given inequality is -3(2x - 5) < 5(2 - x)

We need to simplify the inequality.

<h3>What is inequality?</h3>

In mathematics, inequality is a statement of an order relationship greater than, greater than or equal to, less than, or less than or equal to between two numbers or algebraic expressions.

Consider LHS and simplify -3(2x - 5) = -3(2x)-5(-3)

⇒ -3(2x - 5) = - 6x + 15 [∵(-)(-) = (+)]

Consider RHS and simplify 5(2 - x) = 5(2) + 5(-x)

⇒5(2 - x) = 10 - 5x [∵(+)(-) = (-)]

Now, - 6x + 15 < 10 - 5x

By subtracting 15 from both sides, we get

- 6x < -5 - 5x

By adding 5x to both sides, we get - x < - 5

The coefficient of x is -1. So, divide both sides by -1

Then we get x > 5

Hence, the correct simplified inequality is - 6x + 15 < 10 - 5x and the number line representation is "an open circle is at 5 and a bold line starts at 5 and is pointing to the right".

To learn more about inequalities visit:

brainly.com/question/20383699.

#SPJ1

5 0
2 years ago
.. Stevie had of a gallon of paint. He divided the paint equally into three containers. How much paint did he put in each contai
bekas [8.4K]
2.2 pints because 1 gallon is equal to 8 pints so then you divide 8 by 3 because their is 3 containers.
5 0
3 years ago
PLEASE HELP!!!!!!!!
Wewaii [24]

Answer:

#1 is -9

#2 is 3

Step-by-step explanation:

-9x3 is -27 then add 10 to that you get -17

5x3 is 15 then subtract 1 and you get 14

5 0
3 years ago
Read 2 more answers
The difference between a number and 22 is 57. what is the number
Ksju [112]

Answer:

79

Step-by-step explanation:

The difference between 79 and 22 is 57. 79 is THE number. All you have to do is add 22 and 57 because the answer you get would ALWAYS have one of the numbers added as the difference.

5 0
3 years ago
Read 2 more answers
What is the measure of ∠C in the figure below
sertanlavr [38]

Answer:

C. 56°

Step-by-step explanation:

An isosceles triangle has two sides that are equal. ∆ABC has two equal sides. Thus, the angles opposite the two sides of an isosceles triangle are also congruent to each other.

<C and <A are congruent to each other.

m<A = 56°, therefore,

m<C = 56°

4 0
3 years ago
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