Determine the period and frequency of the function f(x)=cos(4x)

Question

03-02-2017
Mathematics

contestada

Determine the period and frequency of the function f(x)=cos(4x)

Respuesta :

Otras preguntas

All of the following expressions have a value between 0 and 1, excepta. \frac{(-3^{7})}{(-3)^9}b. 4^{-10}× 4^{6}c. \frac{(8^3)^3}{8^{-4}} d. ( \frac{2}{5} ^{8})

In scientific notation, what is the sum of 2.3 times 10^{-3} and 5.4 times 10^{-4}?a. 2.84 times 10^{-3}b. 5.63 times 10^{-3}c. 7.7 times 10^{-7}d. 12.42 times

find the circumference of a circle whose radius is 15.4cm

What value of x makes the equation true ? 4(2x-4)=16

find the circumference of a circle whose radius is 15.4cm

In scientific notation, what is the sum of 2.3 times 10^{-3} and 5.4 times 10^{-4}?a. 2.84 times 10^{-3}b. 5.63 times 10^{-3}c. 7.7 times 10^{-7}d. 12.42 times

All of the following expressions have a value between 0 and 1, excepta. \frac{(-3^{7})}{(-3)^9}b. 4^{-10}× 4^{6}c. \frac{(8^3)^3}{8^{-4}} d. ( \frac{2}{5} ^{8})

TheHero TheHero · Answer 1 · 2017-02-03T18:39:42+01:00

TheHero TheHero

03-02-2017

For a sinusoidal function

f(x) = Acos(wt + phi)

where A amplitude

w angular velocity

phi phase shift

w = 4

w = 2 pi f

f => frequency

f = 4/2pi = 0.637 hz

Answer Link