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mariarad [96]
3 years ago
12

What is the exact value of sin(75°)?

Mathematics
2 answers:
vladimir1956 [14]3 years ago
7 0

Answer:

D.)

Step-by-step explanation:

Edge

Fynjy0 [20]3 years ago
6 0

Step-by-step explanation:

sin 75°: Now using the formula for the sine of the sum of 2 angles, sin(A + B) = sin A cos B + cos A sin B, we can find the sine of (45° + 30°) to give sine of 75 degrees.

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Usa graph peper. Plot the points on a coordinate plane. In which quadrant
kotykmax [81]

Answer:

Point A: quadrant 1

Point B: either quadrant 1 or 4

Point C: quadrant 4

Point D: either quadrant 3 or 4  

Point E: quadrant 2

Point F: quadrant 2

Step-by-step explanation:

3 0
3 years ago
What function equation is represented by the graph?
Yuri [45]
Your answer is f(x)=4x+5.
6 0
3 years ago
Read 2 more answers
Can someone help me with questions 38, 40 and 42? please and thank you :)
topjm [15]
38) -first you have to subtract 4-2=2
      -then solve for 2^5=32
      -subtract 32-20=12
      -and finally multiply 12*3=36
40) -you have to solve for the numerator and denominator first
      -the denominator is simple because you just have to do 2^3 which is 8
      -to solve for the numerator you have to do what's in the parentheses first (3^4-7^2) which gives you 32
      -the equation you should have now is 22+1^3+32 all divided by 8
      -1^3 just equals 1and then you just solve for the numerator
      -to solve for the numerator you have to add 22+1+32 which gives you 55 as the numerator
      -since 55 cannot be divided by 8, your answer will be 55/8 or 6.875
42) -first you have to solve for the parentheses in the brackets so solve for (67-2^6) which equals to 3
      -now your numerator should look like this: 2[8+(3)^3]
      -you have to solve for 3^3 which is 27
      -now you solve what you have left in the brackets [8+27] =35
      -multiply 2*35 which gives you 70
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4 0
4 years ago
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Find the values of angles in x,y,z
Roman55 [17]

Answer:

x=91, y=91, z=39

Step-by-step explanation:

the angles add up to 180 so find the difference ex. 51+38=89, 180-89=91 so x is 91

7 0
3 years ago
What is the approximate length of arc s on the circle below? 330 degrees central angle radius 12 feet
Aneli [31]

Answer:

69.08\ ft

Step-by-step explanation:

step 1

Find the circumference of the circle

The circumference is equal to

C=2\pi r

we have

r=12\ ft

substitute

C=2\pi (12)

C=24\pi\ ft

step 2

Find the approximate length of arc s

we know that

The circumference of the circle subtends a central angle of 360 degrees

so

using proportion

Find out the length of arc for a central angle of 330 degrees

\frac{24\pi}{360}=\frac{x}{330}\\\\x=24\pi(330)/360

x= 22\pi\ ft ----> exact value

assume

\pi =3.14

22\pi\ ft=22(3.14)=69.08\ ft ----> approximate value

3 0
3 years ago
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