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
Nitella [24]
3 years ago
6

Find the exact value of tan(pi/12) using the sum and difference formulas

Mathematics
2 answers:
kari74 [83]3 years ago
7 0
Π/12 is half of π/6, which is 30 degree
tan(α/2)=(1-cosα)/sinα)
plug in the values: tan(π/12)=(1-cosπ/6)/sin(π/6)=(1-√3/2)/(1/2)=2-√3
JulsSmile [24]3 years ago
4 0

Answer:

A

Step-by-step explanation:

You might be interested in
(6m^2-2-5+m)-(3m-4+11m^2)
Murljashka [212]

(6m^2-2-5+m)-(3m-4+11m^2) =

<h2>6m^2 - 2m - 124</h2>
7 0
2 years ago
The bus driver made 6 stops on his way into town. No passengers left the bus. By stop 3, there were 9 passengers on the bus. How
borishaifa [10]
There were 9 passengers on the bus because no passengers got off during the six stops and the fifth stop is within that.
4 0
3 years ago
What is 30/40 converted into a percent
juin [17]

75%

30/40 means its 75% out of 100%

75$ representing the 30 and the 100$ representing the 40

7 0
3 years ago
Read 2 more answers
Give an equation of a line that is parallel to −3x + 7y =4. Explain why your line is parallel to the given line and how you arri
koban [17]

Answer:

  3x -7y = 0

Step-by-step explanation:

Parallel lines have the same slope.

Changing the constant in a linear equation like this only changes the y-intercept. It has no effect on the slope of the line. So, we can change the constant from 4 to 0 and we will have a line with the same slope, parallel to the original, but with a different y-intercept.

The "standard form" of the equation of a line has the leading coefficient positive. We can make that be the case by using the multiplication property of equality, multiplying both sides of the equation by -1.

Parallel line:

  -3x +7y = 0

In standard form:

  3x -7y = 0

3 0
2 years ago
Which is the better buy on potatoes?<br> 3 lbs. for $.90<br> 5 lbs. for $1.60
myrzilka [38]

Answer:

3 pounds for 90 cents.

Step-by-step explanation:

The 5 pound bag costs 32 cents a pound

The 3 pound bag is 30 cents a pound

7 0
2 years ago
Other questions:
  • The graph below shows the amount of time Misha spent outside over a 30-day period. How might the graph be considered misleading?
    9·2 answers
  • The next term in the geometric sequence -1, -2, -4, ... is -6. True or False
    5·1 answer
  • Math help is needed ps how is your day going ?
    5·2 answers
  • 2 A garden hose supplies 36 gallons of water in 3 minutes. Use a table or eq
    11·1 answer
  • How many solutions does 3x^2+11x+10=0 have
    14·2 answers
  • Does anyone know this answer
    7·1 answer
  • Question 2<br> Which TWO expressions are equivalent to<br> 1/2(2/3x-4)-2(1/4x-3)
    15·1 answer
  • Show all ur steps for solving the following equation. <br> 6-12m=-30
    7·1 answer
  • If you need cute things to copy and paste, here ya go! I post stuff like this daily. ✧・゚: *✧・゚:* *:・゚✧*:・゚✧
    15·2 answers
  • Evaluate. [2−∣∣−1/4−2(−3/5)∣∣]÷(−6) What is the value of the expression? Enter your answer as a simplified fraction in the box.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!