1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Minchanka [31]
2 years ago
8

Given that the value of x is between 0 and 360 degrees (0 and 360

Mathematics
1 answer:
Brums [2.3K]2 years ago
6 0

Answer:

  • 150° and 210°
  • 0

Step-by-step explanation:

It is convenient to memorize the trig functions of the "special angles" of 30°, 45°, 60°, as well as the way the signs of trig functions change in the different quadrants. Realizing that the (x, y) coordinates on the unit circle correspond to (cos(θ), sin(θ)) can make it somewhat easier.

__

<h3>20.</h3>

You have memorized that cos(x) = (√3)/2 is true for x = 30°. That is the reference angle for the 2nd-quadrant angle 180° -30° = 150°, and for the 3rd-quadrant angle 180° +30° = 210°.

Cos(x) is negative in the 2nd and 3rd quadrants, so the angles you're looking for are

 150° and 210°

__

<h3>Bonus</h3>

  You have memorized that sin(π/4) = √2/2, and that cos(3π/4) = -√2/2. The sum of these values is ...

  √2/2 + (-√2/2) = 0

_____

<em>Additional comments</em>

Your calculator can help you with both of these problems.

The coordinates given on the attached unit circle chart are (cos(θ), sin(θ)).

You might be interested in
If your bank charges an out-of-network service fee of $3.00, and you withdraw $20 from each of three out-of-network ATMs, how mu
kap26 [50]
It is $69 because if every time you withdraw money you get $3 and you took $20 out 3 times that 20x3 is 60 and then plus $3x3 is nine add it all together it is $69
4 0
2 years ago
Read 2 more answers
Help me pleaseee!!<br> Would appreciate ^^<br> **BRAINLIST, thanks and points***
sergey [27]

Answer:

See below

Step-by-step explanation:

22. 30 = 2 * 3 * 5

23. 126 = 2 * 3 * 3 * 7

24. 4900 = 2 * 2 * 5 * 5 * 7 * 7

25. 39204 = 2 * 2 * 3 * 3 * 3 * 3 * 11 * 11

26. There's no square number

27. The highest common factor are

   30 is 5

   126 is 7

  4900 is 7

 39204 is 11

28. The lowest common factor are

 30 is 2

 126 is 2

 4900 is 2

 39204 is 2

What about you? What did you get?

4 0
2 years ago
Which of these situations can be represented with an integer​ that, when combined with the opposite of 8​, makes​ 0?
Lerok [7]
-8
On the number line if you are at positive 8 and add -8 you will lose 8 and get zero! Hope this helps!
6 0
11 months ago
G (x)=x-3 and h(x)= square root of x, find(g o h) (25)
nevsk [136]
H(25)  = sqrt25 = 5

g(5) = 5 - 3 = 2

answer is 2
7 0
2 years ago
Rodger bowled seven games last week. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the median of Rodger's score?
Damm [24]

Answer

The median is 155

Step-by-step explanation:

You get the numbers from least to greatest then the middle number is your median.

3 0
3 years ago
Other questions:
  • The football team needs to raise at least $7,000 for new football uniforms. An anonymous donor gave the team $1,250 toward their
    15·1 answer
  • Please help..8+5×(7+8)÷3-4
    8·2 answers
  • Assume a gas is at a constant temperature. If its initial pressure, final pressure, and initial volume are 150 kPa, 200 kPa, and
    15·1 answer
  • List the the numbers in order from least to greatest<br><br> -4, 7, -17, -9, 2, 1
    9·1 answer
  • Write the expression (a+4) /7 in words
    7·2 answers
  • Please help.........
    11·1 answer
  • Out or 1,000,000,000.00, how many 10,000.00s are there?
    6·1 answer
  • A new car that sells for $44,000 depreciates 25% each year. Write a function that models the value of the car. Find the value of
    15·1 answer
  • The volume of a box 4in wide 2in high and 5in long is
    5·1 answer
  • A bag contains 120 marbles. Some are red and the rest are black.There are 19 red marbles for every black marble.How many red mar
    10·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!