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Paul [167]
3 years ago
14

Is 44/37 a rational number

Mathematics
1 answer:
Katena32 [7]3 years ago
8 0

Answer:

no

Step-by-step explanation:

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What are the remaining trig functions? and how do i solve for them? pls help
erastovalidia [21]

You're told that tan(<em>θ</em>) is positive, but

tan(<em>θ</em>) = sin(<em>θ</em>)/cos(<em>θ</em>)

and you're also told that sec(<em>θ</em>) = 1/cos(<em>θ</em>) = -3. So if cos(<em>θ</em>) is negative, sin(<em>θ</em>) must also be negative. In turn, both sec(<em>θ</em>) = 1/cos(<em>θ</em>) and csc(<em>θ</em>) = 1/sin(<em>θ</em>) are also negative.

Now, recall the Pythagorean identity,

cos²(<em>θ</em>) + sin²(<em>θ</em>) = 1

Multiply through both sides by 1/cos²(<em>θ</em>) to get an alternate form of the identity,

1 + tan²(<em>θ</em>) = sec²(<em>θ</em>)

Solve for tan(<em>θ</em>) (which we know is positive):

tan(<em>θ</em>) = √(sec²(<em>θ</em>) - 1) = 2√2

Right away, we get

cot(<em>θ</em>) = 1/tan²(<em>θ</em>) = 1/(2√2) = √2/4

Since sec(<em>θ</em>) = -3, it follows that cos(<em>θ</em>) = -1/3.

Then

tan(<em>θ</em>) = sin(<em>θ</em>)/cos(<em>θ</em>)   ==>   sin(<em>θ</em>) = 2√2 × (-1/3) = -2√2/3

and so

csc(<em>θ</em>) = 1/sin(<em>θ</em>) = -3/(2√2)

6 0
3 years ago
PLZZZZZZZZZZZZZZZZZZ HEEELLLLLPPPPPPP <br> WIIILLLL GIIVE BRAIINLIESTTT
STatiana [176]

Answer:

2⁶

Step-by-step explanation:

Rule of exponents, if you multiply number with the same base, you add the exponents

- Gage Millar, Algebra 2 tutor

3 0
3 years ago
Write a proper thank you note for birthday money to your Aunt Sue- texting will not work
Mekhanik [1.2K]
<h2>A thank you note </h2>

To my Aunt Sue,

I am grateful for the money you gave to me for my birthday. I have always known you have a generous heart and you will always have good things in life.

Your niece,

Abe.

3 0
3 years ago
Can somebody help me pleeaaassseee? 5 star rate
Natali5045456 [20]

Answer:

x < 3/14

Step-by-step explanation:

-14x > -3

divide each side by -14

however, whenever multiplying or dividing an inequality by a negative value then you must reverse the inequality symbol

x < 3/14

6 0
3 years ago
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angle M and angle N are complementary. The measure of angle M is 38 degrees less than the measure of angle N Find the measure of
WARRIOR [948]

Answer:

26, 64

Step-by-step explanation:

M=N-38

M+N=90

M=26

N=64

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3 years ago
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