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FIrst of all we need to understand how cos 30° and tan 60° are found. Let's think of an equilateral triangle, all three angles of the triangle are equal and 60° and each side has length 2. Let's half the ...

Writing an introduction is very difficult to get to grips with at first but once you've mastered the basic technique, it is easily applicable to a range of essays, topics, and subjects beyond English Lite...

The English Civil Wars started due to a combination of long and short term factors. In the short-term, the war can be seen to be triggered by an immediate breakdown in the relationship between the King, C...

the gravitational potential is set to be 0 at a distance of infinity. 

= 2πr² + πd x height (= area of the 2 circle at either end + area of rectangular surface around the cylinder)