They are one of the most extreme desert climates anywhere on earth, a cold desert where the mean annual temperature is between -14C and -30C depending on the site, windier sites are less cold.
Media determinism. Newspapers have to choose which stories they research as put out
<span>International diplomacy has helped improve international communication and helped to create jealousy between countries.</span>
The inverse cosine can never be outside the domain of [-1,1]. 3/2 is greater than 1, and so there can never be a corresponding angle the cosine of which would give you 3/2. The cosine of any angle can only result in a value between or equal to -1 and 1.
Hope this helps! :)