Question

A sine function can be used to model light waves. Green light has a wavelength, or period, of about 520 nanometers(nm). Which equation best models green light?

Answer 1

the period is always \(\frac{2\pi}{b}\)

Answer 2

A. y= sin 260/pi theta
B. y= sin pi/520 theta
C. y= sin 520/pi theta
D. y= sin pi/260 theta

Answer 3

set
\[\frac{2\pi}{b}=520\] solve for \(b\) in one or two steps

Answer 4

Is it A or D?

Answer 5

b=260 I think it's D?

Answer 6

\[b=\frac{2\pi}{520}=\frac{\pi}{260}\]

Answer 7

so yeah D

Answer 8

Thanks so much for your help!

Answer 9

yw