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Morgarella [4.7K]
3 years ago
7

Find cos θ if csc θ = 2 and θ is in quadrant II.

Mathematics
1 answer:
natita [175]3 years ago
5 0
Cosecant is one of the six trigonometric identities which is equal to the reciprocal of sine function. In this case, theta is equal to sin -1 = 1/2 equal to 30 degrees. Since this is in quadrant II, the angle is 180 - 30 or 150 degrees. cos 150 is equal to -0.866 or -ssqrt 3 over 2.
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In which number does the digit 2 have a value that is ten times as great as the value of the digit 2 in the number 135,284?
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Answer: See explanation

Step-by-step explanation:

You didn't give the options but let me help out.

First and foremost, we should note that the value of the digit 2 in the number 135,284 is 200. Therefore, the value that is ten times as great as the value of the digit 2 in the number 135,284 would be:

= 10 × 200

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Therefore, the 2 must be in the thousands place. This can be seen in numbers such as:

172748.

6 0
3 years ago
Can somebody help me ?? please .
solniwko [45]

Answer: First let’s find x.

A straight line adds up to 180 degrees. So wen know that X and the 81 degree angle should add up to 180, so x+81=180 is our equation. Let’s solve.

Subtract 81 from 180

You get x=99 degrees.

Let’s now find Y.

We know because of the alternate interior angles property that x will have to equal 3y-9. We already know x is 99. Let’s set up an equation. 3y-9=99 let’s add our 9. We get 108. Divide by 3. We get y=36.

Step-by-step explanation:

PLEASE ASK ANY FURTHER QUESTIONS IF YOU STILL DONT UNDERSTAND :)

6 0
3 years ago
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How many times does 6 go into 110
juin [17]
6 goes into 110 approximately 18 times.
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3 years ago
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Tickets to a show cost $5.50 for adults and $4.25 for students. A family is purchasing 2 adult tickets and 3 student tickets. Wh
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Answer:

$23.75

........................

8 0
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Answer:

₹ 81.75

Step-by-step explanation:

Total =  ₹ 120.

He bought one book for ₹ 25.75 and a pen for ₹ 12.50.

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How much money does he have now?​

     ₹ 120 -  ₹ 38.25 =  ₹ 81.75

8 0
2 years ago
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