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This is a common example of an integral that is a product of two functions whose derivatives are related. As we know the derivative of sinx is cosx, we can use substitution to easily solve this - let our ...

The word 'significance' is used in many exam questions in both English Literature, and can often be a complicated and confusing concept.
For example, an English Literature essay question on The Tamin...

The subjunctive, rather than a tense, is used as a 'mood'. Certain phrases and purposes take the subjunctive. An acronym to remember what purposes take the subjunctive is "WEIRDO" which stands f...

9^3x+1 =(3² )^(3x+1) =3^6x+2

In Bach chorales, most perfect cadences will follow the same patterns so it's actually a lot less complicated than it first appears! Firstly, we will look at the most common progressions for a perfect cad...