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Integral of sin^x dx

Use double angle formula to rearrange for cos2x this gives: x/2 + 1/4sin2x + C (constant)
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Answered by Martin B. • Maths tutor
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With a reference to a named global ecosystem, assess the global and local value of its goods and services.

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 wil...
JH
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What is semi-conservative replication of DNA? And why is it important?

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 se...
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Answered by Katie P. • Biology tutor
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What do I do if I can't answer a question in the UKCAT?

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 the...
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Answered by Susanna C. • UCAT tutor
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What should I include in my personal statement for Dentistry admission?

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 wil...
SC
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