# Trig

In the equation y=4cos 6x, what does 6 represent?

In general for the equation y-acosbx, what does b represent?

1. 👍
2. 👎
3. 👁
1. The six in the first equation represents a reciprocal wavelength, also known as the wave number.

y - a cosbx is NOT an equation

An equation would be y = a cos bx
b would be the wave number.

1. 👍
2. 👎

## Similar Questions

1. ### Math

1. Is the equation true, false, or open? 4y 8 = 6y + 3 2. Which value is a solution of the equation 2 - 8x = -6? 3. Which ordered pair is a solution of the equation y - x - 4? 4. Which ordered pair is a solution of the equation y

2. ### trig

prove that the equation 2sin x cos x +4cos^2 x =1 may be written in the form of tan^2 x -2tan x -3=0

3. ### math

Jada has a coin jar containing n nickels and d dimes worth a total of \$3.65. The equation 0.05n + 0.1d = 3.65 is one way to represent the situation. Which equation is equivalent to the equation 0.05n + 0.1d = 3.65? 0/1 5n + d =

4. ### Mathematics

Derick wants to make a table which has an area of 10m^2. The length of the table must be 3m longer than the width. The equation that represent the equation is w(w+3)=10. a. Without solving it, what should be the value of the

1. ### Math (equations and Graphs)

A cookie company uses one cup of sugar for every 35 cookies it makes. Let S represent the total number of cups of sugar used, and let N represent the number of cookies made. Write an equation relating S to N, and then graph your

2. ### Algebra

Please Help! Given the following three points, find by hand the quadratic function they represent. (−1,−8), (0,−1),(1,2) A. f(x)=−3x2+4x−1 B. f(x)=−2x2+5x−1 C. f(x)=−3x2+10x−1 D. f(x)=−5x2+8x−1 Determine if

3. ### math

Write a real-world problem that you could represent with the equation 4x+5=37. Solve the equation to find the answer to your question.

4. ### math

Hank sells furniture and earns \$280/week plus 4% commission. a) Determine the sales that Hank needs to make to meet his weekly budget requirement of \$900. b) Write an equation for this situation, and use it to verify your answer

1. ### math

write a multiplication equation and a division equation that represent the model shown below.176 *16=d this is correct.how to write a division equation.

2. ### calculus-differential equation

Consider the differential equation: (du/dt)=-u^2(t^3-t) a) Find the general solution to the above differential equation. (Write the answer in a form such that its numerator is 1 and its integration constant is C). u=? b) Find the

3. ### math 100

The equation for a general normal curve with mean μ and standard deviation σ is y = e−(x − μ)2/(2σ2) σ 2π . Calculate values for x = 20, 30, , 70, 80 where μ = 50 and σ = 10. Note that setting μ = 0 and σ = 1 in this

4. ### Maths

a) Express f(theta) = 4cos theta - 6sin theta in the form r cos(theta + alpha) b) Hence find the general solution of the equation 4cos theta - 6sin theta =5 c) Hence, find the minimum value of the function 1/4+f( theta)