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
Bond [772]
3 years ago
8

What is the cofunction of cos 2pi/ 9

Mathematics
1 answer:
fiasKO [112]3 years ago
3 0

The cofunction of cos is sin(90-x)

90 degrees is equal to PI/2

The cofunction becomes sin(PI/2 - 2PI/9)

Rewrite both fractions to have a common denominator:

PI/2 = 9PI/18

2PI/9 = 4PI/18

Now you have sin(9PI/18 - 4PI/18)

Simplify:

Sin(5PI/18)

You might be interested in
Find the hourly wage if a $ 10.00 starting wage is increased by 2.5 % each year for 9 years.
djyliett [7]

10 * (1.025)^9 = 12,48

Maybe 12.49 depending on rounding.

6 0
3 years ago
Amelia and Brendon are both on the ground looking at The top of a tower point D. Amelia is at point A and Brendan is at point B.
Bingel [31]

Answer 60?

Step-by-step explanation:

edmentum

7 0
2 years ago
If g(x)=lnx and f is a differentiable function of x, which of the following is equivalent to the derivative of f(g(x)) with resp
Alexxx [7]

The derivative of f(g(x)) with respect to x is  f'(1/x).

<h3>What are Derivatives?</h3>

The term derivative refers to a type of financial contract whose value is dependent on an underlying asset, group of assets, or benchmark.

Given that, g(x)=ln x

Differentiation of ln x = 1/x

Hence, The derivative of f(g(x)) with respect to x is  f'(1/x).

For more references on Derivatives, click;

brainly.com/question/25324584

#SPJ1

6 0
1 year ago
using the square root property and the principle root, we can take the square root of both sides to get
Alchen [17]
<span><span><span>x = ± 2</span></span><span><span>Then the solution is </span><span>x = ± 2</span></span><span><span>hope this helps</span></span></span>
4 0
3 years ago
Larry Mitchell invested part of his $34,000 advance at 2% annual simple interest and the rest at 3% annual interest. If his tota
sladkih [1.3K]

Answer:let the invstmt be X and Y

X+Y=34000

0.02X+0.03Y=890

0.02(34000-Y)+0.03Y=890

680-0.02Y+0.03Y=890

0.01Y=210

Y=21000

X=13000

Step-by-step explanation:

6 0
3 years ago
Other questions:
  • Plz help in the picture below plz ill give you brainliestt
    12·1 answer
  • A jar contains n nickels and d dimes. There are 24 coins in the jar, and the total value of the coins is $1.90. How many nickels
    8·1 answer
  • Help needed asap deadline is approaching
    10·1 answer
  • I need help on pages 18 3-7 I’ll give you brainliest
    14·1 answer
  • The population of a town is divided into three age categories. A random sample of each category is surveyed about voting choices
    12·2 answers
  • What is the sum of the arithmetic sequence 151, 137, 123,..if there are 26 terms?
    12·1 answer
  • Charles bought 24 blow-pops for $7.20. His little sister Tracy wants 11 blow-pops. How much will 11 blow-pops cost?
    15·1 answer
  • What is the constant proportionality in the equation y = 6x?
    9·1 answer
  • Which relationships describe the angle pair x° and 71º?
    12·2 answers
  • Quiz 10-1 intro circles central angles question 9
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!