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How do I know wether to use the sine or cosine rule?

You use the cosine rule when you have been given the length of two sides and an inclusive angle (the angle in between those two lines) or if you have been given the length of three sides.You use the sine rul...
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Answered by Daidria P. • Maths tutor
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I have been told I need to sit the UKCAT exam, what is this test?

The UKCAT is a two-hour computer-based test which assess a range of mental abilities identified by university medical and dental schools as important. It consists of five separately timed subtests which each...
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Using Vieta's formula find the sum of squared solutions for x^2+x=30

SOLUTION
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Answered by Adam M. • Polish tutor
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Henry Vii's foreign policy foreign was motivated solely by his greed and desire for glory.

Henry Vii's obsession with money is well noted. His brutal use of Empson and Dudley and the council learned in the law made him a rich but deeply unpopular monarch. Similarly it could be argued that his desi...
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Answered by Anna N. • History tutor
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Function of the heart.

The funtion of the heart is to supply the body with oxygenated blood. In humans this is done by use of a double circulatory system. This means that the blood enters the heart twice before it is pumped to the...
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Answered by Peter C. • Biology tutor
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