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Trigonometry: what is it, and how do I do it?

Trigonometry is used in maths to find angles and the lengths of edges in triangles. There are three main operations: sin, cos and tan, and these are used to convert the information you have about a triangle,...
AR
Answered by Amy R. • Maths tutor
4792 Views

On the significance of the imagery of “words” to the play Othello

The idea of words and indeed how language can be manipulated to obscure and alter the truth is crucial to the play, in particular the character of Iago. The magic of the yarns Iago spins in order to create a...
JC
9068 Views

I have revised all the content for Economics but my essays are not reaching the top level, what can I do to ensure I get the highest marks?

The most important feature in an A level economics essay is evaluation. This is a common mistake amongst many A level students- an economics essay should not simply be a regurgitated knowledge but rather an ...
RT
Answered by Ria T. • Economics tutor
2494 Views

Outline and evaluate one definition of abnormality.

Statistical infrequency can be used to define abnormality, it involves an individual not fitting into the normal distribution of society so they are regarded as abnormal. There is, however, a problem with th...
SN
Answered by Sarah N. • Psychology tutor
14508 Views

Describe the events that occur in a nerve cell during an action potential.

Action potentials are the way in which information is conveyed along the length of a nerve cell and between nerve cells. At rest, the nerve cells membrane potential is around -70mV. During an action potentia...
CH
7428 Views