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Ksenya-84 [330]
3 years ago
11

PLS HELP ASAP WILL GIVE BRAINLIEST

Mathematics
2 answers:
Fiesta28 [93]3 years ago
6 0

Answer:

  • d/c

Step-by-step explanation:

<u>Given:</u>

  • sin y° = 9/c and
  • tan y° = 9/d

<u>We know that</u>

  • tan α = sin α /cos α ⇒ cos α = sin α / tan α

<u>Solving for cos y°, by substituting values:</u>

  • cos y°  = sin y° / tan y°
  • cos y°  = 9/c ÷ 9/d =
  •               9/c × d/9 =
  •               d/c
KATRIN_1 [288]3 years ago
4 0

Answer:

the answer to your question is d/c

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4 years ago
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7 0
3 years ago
Just number 4 pleaseeee
Aleksandr [31]

Hello!

The formula is given to you. :)

C = 3.14 • D (diameter; line across a circle that cuts it in half)

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Hope I helped! Also, I hope I didn’t answer this too late. ;)

~Destiny ^_^

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