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Dominik [7]
3 years ago
15

1/(cot^2 (x)) - 1/(cos^2 (x))

Mathematics
2 answers:
Airida [17]3 years ago
5 0

Step-by-step explanation:

1 is your answer its law of trig identises

tia_tia [17]3 years ago
5 0

\\ \sf\longmapsto \dfrac{1}{cot^2x}-\dfrac{1}{cos^2x}

\\ \sf\longmapsto tan^2x-sec^2x

\\ \sf\longmapsto 1

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2. Gerald was given the following problem to solve for the length of the "?". He has made a mistake in his work.
Degger [83]

Answer:

x = 18.7

Step-by-step explanation:

Gerald's answer is almost correct.  

He just needs to switch the 14 and the x.

it should be

24/x = 18/14

solve for x by cross multiplication

18x = (24)(14)

18x = 336

x = 18.7

5 0
3 years ago
Can someone please do this for me, It would be amazing!<br><br>sorry that's all the points I have :(
Serggg [28]

If i was you i would look up every box in the word bank then find examples of each box and do the best I could.

-hope this helps!

7 0
3 years ago
Two sides of an acute triangle meaure 5 inches and 8 inches. The length of the longest side is unknown. What is the greatest pos
gladu [14]

The greatest whole possible whole number length of the unknown side is 9 inches.

<h3>How to identify if a triangle is acute?</h3>

Let us have:

H = biggest side of the triangle

And let we get  A and B as rest of the two sides.

Then we get:

If

A^2 + B^2 < C^2

then the triangle is acute

Two sides of an acute triangle measure as 5 inches and 8 inches

The length of the longest side is unknown.

We have to find the length of the unknown side

WE know that the longest side of any triangle is a hypotenuse

For an acute triangle we know:

A^2 + B^2 < C^2

Here in this sum,

a = 5 inches

b = 8 inches

c = ?

Substituting we get,

A^2 + B^2 < C^2\\\\5^2 + 8^2 < C^2\\\\25 + 64= C^2

c < 9

Hence, The greatest whole possible whole number length of the unknown side is 9 inches.

Learn more about angles;

brainly.com/question/14489478

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3 0
2 years ago
Part of the population of 6,750 elk at a wildlife preserve is infected with a parasite. A random sample of 50 elk shows that 3 o
Anastasy [175]

Answer:

405

Step-by-step explanation:

We can use a ratio to solve

3 infected           x infected

------------------ = ----------------

50 sampled     6750 population

Using cross products

3*6750 = 50x

Divide each side by 50

3*6750/50 = x

405

7 0
3 years ago
Read 2 more answers
A class counts the number of vehicles that pass by its school from 1 :00 to 2:00 pm there are 3 times as many cars as trucks
Pepsi [2]
Ok So From What You Said I Calculated This:

1:00-2:00

cars=c, trucks=t
answer=a

c x 3 = a
a÷3=t
4 0
3 years ago
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