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allochka39001 [22]
3 years ago
5

Simplify sin x / CSC x + cos x / sec x​

Mathematics
1 answer:
Artyom0805 [142]3 years ago
8 0
  • sinx/cscx =sinx x sinx =sin^2x
  • cosx/secx=cosx x cosx=cos^2x
  • sin^2x+cos^2x=1 "trigonometric identity"
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Determine which number is a solution of the inequality. j+8 ≤ 8; 0, 1, 2
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Answer:

The solution to the inequality is 0.

7 0
2 years ago
Calculate the length of a triangle if another length is 15 feet and the hypotenuse is 39 feet.
Y_Kistochka [10]
We have to use Pythagorean theorem that says : 

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3 0
3 years ago
Sarah spent a total of $7.25 on 8 apples and a packet of grapes. If a packet of grapes cost $2.85, how much did each apple cost?
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7 0
3 years ago
PLEASE HELP ASAP. I need help with this problem, I've gotten two answers: 60 and 90 but I can't figure out which one it is. Plea
omeli [17]

Find the ratio of the known sides.

6/4 = 1.5

The larger triangle is 1.5 times larger than the smaller one.

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5 0
3 years ago
You are driving home on a weekend from school at 55 mi/h for 110 miles. it then starts to snow and you slow to 35 mi/h. you arri
stepladder [879]

Okay lets get started.

I drove 110 miles with speed of 55 mi/hr so the time taken =

time = distance / speed

time = 110 / 55 = 2 hrs For the distance which is covered with 55 mi/hr speed.

Total time for reaching home is 4 hrs 15 minutes. (given in question)

Means rest distance after snow is covered in = 4 hrs 15 minutes - 2 hrs

= 2 hrs 15 minutes = 2 + 15/60 = 2.25 hrs

The speed in snow driving is 35 mi/hr

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Hope that will help :)

6 0
3 years ago
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