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When told to find angles when equations are involving sin,cos or tan at a level a range will be provided. You have to find all the angles within the given range. Multiple angles will be found as there wil...

The first eigenvalue is 3, whose corresponding eigenvector is (1, 1), and the second eigenvalue is 2, whose corresponding eigenvector is (3, 4). In diagonal form, A = PDP^-1, where P = [[1, 3], [1, 4]] an...

I would recommend that all A-level students should attempt all previous exam papers at least once. This is to pick up on common tricks that the examiner uses and in most cases these tricks keep coming up ...

In order to fully answer this question we must first address what is meant by the term ‘meaning’, as there is a notable difference between something that has literal meaning and that, which has scientific...

Liberalism is the cornerstone to what we now call 'liberal democracy', which is characterised by fair and free elections, incorporating universal suffrage, and a civil society - such as a free media, free...