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If you imagine that sin(x), cos(x), -sin(x) and -cos(x) are on a wheel as shown below:

      sin(x)

-cos(x)  cos(x)

     -sin(x)

then going clock...

Covalent bonds are formed when two atoms share one or more pairs of electrons. These atoms are non-metals, such as Carbon, Oxygen and Hydrogen.

Ionic bonds are formed when an atom gives o...

Ah! the famous auxiliary verbs. Here is a handy guide -

You use "avere" with ACTIVE TRANSITIVE verbs. Here is an example

Io HO mangiato - I have eat...

Positivism and Interpretivism are two very important, and very different approaches to sociological research and study. Here are some key features of these two positions, which highlight the fundamenta...

Firstly, we are given that f(x) can be expressed in the above form, so we write this out:

(19x-2)/((5-x)(1+6x)=A/(5-x)+B/(1+6x)

We then multiply by the denominator of f(x):<...