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What is a radian?

A radian is the angle in a segment that gives an arc length of 1 radius. This is another way to measure angles instead of degrees. As the circumference of a circle is 2 pi r, we have 2 pi radiuses in the cir...
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Answered by Prince A. • Maths tutor
5436 Views

When using trigonometry to calculate side lengths/angles, how do you know which identity to use?

Choosing whether to use sin, cos or tan is what will gain you the majority of marks for a trig question. Firstly, you should label the three sides of the triangle as hypothenuse, adjacent and opposite. In a ...
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Answered by Rimka P. • Maths tutor
3758 Views

What is the difference between moral realism and moral cognitivism?

Moral cognitivists hold that when we make a moral judgment, such as ‘Lucy ought to pay back the money she borrowed’, we are stating a belief. The importance of this is that beliefs can be true or false: eith...
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Answered by Fred H. • Philosophy tutor
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How satisfactory is the current law on contractual terms? Consider what reforms might improve the law. You may relate your answer to terms in general, or to terms excluding or limiting liability, or to a combination of both.

The current law on contractual terms succeeds in supporting commercial certainty, yet lacks the flexibility required to effectively regulate unfair contracts in a commercial context. Through discussing the i...
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Answered by Christian B. • Law tutor
3011 Views

When faced with a poem to analyse what are first few things would should look out for.

Structure. What form do the stanzas take? How many stanzas are there? Is there a pattern? If so, what is the name of the pattern which the stanzas take? (eg sonnet) Rhyme and rhythm. Does the poem rhyme or f...
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Answered by Eloise M. • English tutor
2436 Views