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As with any question involving sines and cosines, consider complex numbers as a likely way to find the answer. For this particular kind of question, where sin/cos of a multiple of x is needed in terms ...

The integral of sine is pretty easy to remember as it is -cos + C. However you need to be able to prove this, without using the integral of cosine. This method uses sines exponential form.

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The electron in a box model uses the idea that the energy of the electron and that of a standing wave in a box are analogous. So using your knowledge of standing waves you can derive an equation for th...

Your drama paper in English IB is designed to enable students to really understand the purpose and nature of drama. The backbone of many, if not all, pieces of literature is an urge to understand the h...

This question is an example question from the ethics paper in the Philosophy IB course. If you're school has chosen for you to study the ethics paper, you will need to be familiar with the tension betw...