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Why does tanx = sinx/cosx ?

This identity can easily be shown by asking the student to draw a right-angled triangle, with one of the remaing two angles labelled x, and labelling the respective oppposite, adjacent and hypotenuse sides O...
SR
16120 Views

How do I improve my QR score?

The greatest problem with the quantitative reasoning section is without a doubt the time pressure. One of the ways to tackle this is to be able to quickly ascertain which questions will take too much of your...
DV
Answered by Dan V. • UCAT tutor
1778 Views

How do I know when to use avoir and when to use être in the passé composé - the perfect tense?

The passé composé - the perfect tense - is used for talking about completed events in the past, such as 'I bought an apple', and it is formed using an auxiliary verb the present tense and a past participle. ...
IM
Answered by Isobel M. • French tutor
3077 Views

Explain how during a game of a rugby, an increase in blood Co2 will cause heart rate to rise (4 marks)

As the muscles in the body respire and use up the oxygen, Co2 is produced and thus blood acidity in the bloodstream rises 2) This change is detected by the chemoreceptors 3) These impulses are then sent to t...
TM
2481 Views

What is the difference between mitosis and meiosis?

Mitosis is the process used by normal body cells for everyday replication to maintain a healthy body, for example tissue regeneration. On the other hand, meiosis is the process whereby the gametes, sperm and...
CG
Answered by Clare G. • Biology tutor
4040 Views