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
hjlf
3 years ago
12

Hurry pleaseeee taking a test Which expression is equivalent to 30°? Inverse of cosine (StartFraction StartRoot 3 EndRoot Over 2

EndFraction) Inverse of sine (StartFraction StartRoot 3 EndRoot Over 2 EndFraction) Sine (StartFraction StartRoot 3 EndRoot Over 2 EndFraction) Cosine (StartFraction StartRoot 3 EndRoot Over 2 EndFraction)
Mathematics
2 answers:
nika2105 [10]3 years ago
8 0

Answer:

Inverse of cosine (StartFraction StartRoot 3 EndRoot Over 2 EndFraction)

Step-by-step explanation:

According to trigonometry identity;

Cos 30° = √3/2

To get the expression equivalent to 30°, we will take the inverse of both sides as shown;

Cos^-1(cos 30°) = cos^-1(√3/2)

The arccos will cancel out the cos on the left hand side of the equation to have;

30° = cos^-1(√3/2)

Hence 30° is equivalent to inverse of cosine of √3/2 or Inverse of cosine (StartFraction StartRoot 3 EndRoot Over 2 EndFraction)

AleksAgata [21]3 years ago
6 0

Answer:

the Answer is A

Step-by-step explanation:

Edge 2020

You might be interested in
Half of sarans wire is equal to 2/5 of daniel's. chris has 3 times as much as sarah. in all, their wire is 6 feet. how long is s
Pepsi [2]
You need to make a series of equations from what you are given first. I am going to use the first letter of each of the names to represent the length of that persons wire.
1/2s=2/5d
3c=s
s+d+c=6 ft

Okay. Now you can combine the first two equations knowing what s equals:
1/2(3c)=2/5d
d=15c/4

Now you have d=15c/4 and s=3c, so you can replace d and s in the third equation.

3c+15c/4+c=6

Then solve for c and plug it into the equation 3c=s to find the length of sarah's wire.
7 0
3 years ago
Sanjay picked p peaches. Zach picked 17 times as many peaches as Sanjay. Write an expression that shows how many peaches Zach pi
oksano4ka [1.4K]

Answer:

17p

Step-by-step explanation:

Since you don't know how much Sanjay picked you can only explain as a variable. So just put 17 next to p which is 17*p

5 0
3 years ago
Maria earns $5.00 per hour. How much will she earn if she works 7 hours?
stealth61 [152]

Multiply the money * the hours

5*7= 35

Answer : $35

3 0
3 years ago
Read 2 more answers
A fence is being built around a rectangular garden. The length of the garden is 35 feet, and the total fencing used to enclose t
liraira [26]
The garden's width is 45. We know this because
35 \times 2
(length)
35 \times 2 + 2x = 160 \\
35x2 is 70 and you need to neutralize that by taking away 70 from both sides.
160 - 70 = 90
2x = 90
Now divide by 2 on both sides to neutralize the 2 times x.
90 \div 2 = 45
meaning that leaves us with
x = 45
3 0
3 years ago
Read 2 more answers
What is lcm and gcf of 6a and 8b
Feliz [49]
Lcm is 24 and the  gcf is 2
8 0
3 years ago
Read 2 more answers
Other questions:
  • Annie estimates that a bookcase is 78.25 inches .the actual height is 75.50 inches
    11·1 answer
  • 0.2099 to 2 decimal places
    9·2 answers
  • Write the equation for the inverse of the function.<br> y = sin x<br>​
    12·2 answers
  • Yall I need help only have 22 minutes left
    15·1 answer
  • The ad reads,"$725 or best offer."If your offer of$580 is accepted,how much money will you save?
    11·1 answer
  • Is the set of ordered pairs above a function? {(3,4), (1,5), (-9,0), (3,-2)}
    10·1 answer
  • A circle has a radius of 9.5 centimeters. What is the area of the circle? Use 3.14 for n.
    15·1 answer
  • If the coordinates of a pre-image are (x, y), which motion rule represents a counterclockwise rotation of 90° about the origin?
    9·1 answer
  • 1/8 + c = 4/5 <br> Find what c is
    12·2 answers
  • Please help me out here!
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!