Conclusion

what is the relationship between wavelength and frequency?

.

Frequency and wavelength are inversely related.

Explanation:

In accordance with the formula for calculating wavelength, wavelength = velocity/frequency you can see that the more frenquent a wave is, the shorther the wave. This can be seen in the electromagnetic spectrum, where, for example, Gamma Rays are more frequent (therefore more powerful) but are really short in (wave)length. Hopefully this helps clear things up!

see the picture for the vector

the magnitude of the vector by pythagorean theorem

r = √( (-10)^2 + (3)^2 ) = √109

magnitude = √109 units

the direction angle between vector and x-axis is

tan^(-1)(3/10) = 16.699

so the direction is approximately 16.7 degrees north of west