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Reika [66]
2 years ago
9

Please help me please help me

Mathematics
1 answer:
LiRa [457]2 years ago
7 0
The answer is the 3rd option. The equation obtained by switching….
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Your friend claims that it is possible to draw a right triangle where the cosine of either angle (theta) is exactly the same val
avanturin [10]

Answer:

B. No

Cos \ \theta\neq Cos (90-\theta)\textdegree

Step-by-step explanation:

-A right angle triangle has two complimentary acute angles and one right angle.

-\theta is usually one of the acute angles and is equivalent to 90º minus it's complimentary acute angle.

-Complimentary angles add up to 90º.

#For complimentary angles:

Sin \ \theta=Cos \ (90-\theta)\textdegree\\\\Cos \ \theta=Sin(90-\theta)\textdegree\\\\\therefore Cos \ \theta\neq Cos (90-\theta)\textdegree

The two acute angles cannot have the same Cosine value.

Hence, she's not correct.

5 0
3 years ago
Which one is it pleaseee helppppp!
ladessa [460]

Answer:

-2/1

Step-by-step explanation:

i hope this helps :)

5 0
3 years ago
Read 2 more answers
Hector needs to buy a window shade in his house. He measured the width of the window as 37 inches. The actual measurement is 40
aksik [14]

Answer:

3/40 = 7.5%

Step-by-step explanation:

3/40 percent error.

3/40 = 7.5%

6 0
3 years ago
Please tell me the surface area of the composite figure. dont send a virus pls
barxatty [35]

do you want an explanation too or just the answer anyway here's the answer 488

7 0
2 years ago
What is the circumference of the following circle r = 1
strojnjashka [21]

Answer: C≈6.28

Step-by-step explanation:

C=2π r=2· π ·1≈6.28319

Therefor, the answer is 6.28

* hopefully this helps:)Mark me the brainliest:)

7 0
3 years ago
Read 2 more answers
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