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Use double angle formula to rearrange for cos2x

this gives: x/2 + 1/4sin2x + C (constant)

This question is taken from the 2014 Edexcel Pearson Specification. We must first address the type of question, it is a 15 marker, and as such warrants extensive depth as this is the largest question one ...

Semi-conservative DNA replication involves splitting open the parent cells DNA duplex and exposing both strands. Now these strands are accessible to replication machinery to act as a template, so that the...

The best strategy for dealing with questions you can't answer, or questions that you think will take you a long time to solve, is to guess, flag and move on. This means picking a letter and answering all ...

Your personal statement should be a reflection of your interests and passions both in and out of school. A quick recount of the subjects you have chosen at A level and why they are relevant for dentistry ...