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riadik2000 [5.3K]
3 years ago
14

Math help, please! cannot do the last one

Mathematics
1 answer:
ryzh [129]3 years ago
7 0

Answer:

-99.9

Step-by-step explanation:

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If sin Θ = negative square root 3 over 2 and π < Θ < 3 pi over 2, what are the values of cos Θ and tan Θ? cos Θ = negative
andreev551 [17]

Answer:

The correct option is the option with:

cos Θ = 1/2

tan Θ = -√3

Step-by-step explanation:

Given that

sin Θ = -√3/2

We want to find the values of

cos Θ and tan Θ

First of all,

arcsin (-60) = -√3/2

=> Θ = 60

tan Θ = (sin Θ)/(cos Θ)

tan Θ = (-√3/2)/(cos Θ)

cos Θ tan Θ = (1/2)(-√3)

Knowing that Θ = -60,

and cos Θ = cos(-Θ), comparing the last equation, we have

cos Θ = 1/2

tan Θ = -√3

8 0
3 years ago
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For each fraction, decimal, or percent, write the equivalent number from the list below. 0.68, 19/50, 9/20, 80%, 0.54. A. 38% __
ICE Princess25 [194]

Answer:

0.45=9/20
27/50=0.54
4/5=80
17/25=0.68
38%=19/50

Step-by-step explanation:

7 0
2 years ago
The travelers are adding a new room to their house. the room will be a cube with volume 3375 ft.³.they are going to put in hardw
Talja [164]

Answer:

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Step-by-step explanation:

3375 = s³

s = ∛3375

s = 15 ft.

floor area = s² = (15 * 15)

floor area = 225 ft²

the contractor charges $10 per ft².

therefore,  

the hardwood cost = 225  x  $10 = $2250

7 0
3 years ago
Read 2 more answers
(05.02 LC)
Anvisha [2.4K]
  • siny=s/8
  • tany=s/t

\\ \tt\longmapsto cosy=\dfrac{siny}{tany}

\\ \tt\longmapsto cosy=\dfrac{s/8}{s/t}

\\ \tt\longmapsto cosy=8/t

  • Secy=1/cosy=t/8
7 0
2 years ago
If m 1 = 30° and m = 20°, then m =
Alex
Answer: Then m = 10<span>°</span>
3 0
3 years ago
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