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What is the likely effect of Brexit on the UK economy?

Less free trade with EU

The European Union is an important source and target for inward investment. Many European companies have invested in the UK and the UK earns revenue from in...

Answered by Ana W. • Economics tutor

2138 Views

Show, using de Moivre's theorem, that sin 5x = 16 sin^(5) x - 20 sin^(3) x + 5 sin x

Using the question, first use de Moivre's theorem to say (cos x + i sin x)^5 = cos 5x + isin 5x. Now we can use a binomial expansion on the RHS to say

cos 5x + isin 5x = cos⁵ x + 5i cos...

Answered by Tom R. • Further Mathematics tutor

36520 Views

'Love which appears too perfect often ends in tragedy'. In light of this statement, examine how Shakespeare presents the love between Othello and Desdemona in the play.

Shakespeare's, 'Othello' follows a defiant love story which ends in tragedy as the eponymous protagonist succumbs to the, 'green eyed monster' in place of his trust in Desdemona. In a time of romanticised...

Answered by Ellen T. • English Literature tutor

4830 Views

integrate cos^2(x)*sin(x)

integral of cos²(x)*sin(x) we notice that we can use the spot the ball method here: Guessed integral: cos³(x) Differentiated Guessed Integral: -3sin(x)cos²(x), therefore o...

Answered by Cezar P. • Maths tutor

8640 Views

Describe the process of an action potential travelling across a synapse

An action potenial reaches the synaptic bouton causing depolarisation which opens calcium voltage gated channels. Calcium moves into the cell and causes the movement of vesicles containing acetylcholine t...

Answered by Ed W. • Biology tutor

3434 Views