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How is trigonometry used on non-right angled triangles?

To do this, there are two rules, the Sine Rule and The Cosine Rule. The sine rule is a/Sin A = b/Sin B = c/Sin C. (the lower and uppercase are very important. The rule also stands if you write the entire thi...
BC
Answered by Bobbie C. • Maths tutor
119356 Views

How does Meiosis increase variation?

In the first stage of Meiosis 1 - Prophase 1, after the chromosomes have coiled and condensed they ay touch each other at points known as chiasmata, and Crossing Over occurs. This is where genetic informatio...
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Answered by Bobbie C. • Biology tutor
11762 Views

What is an extended metaphor and how do you build one?

First things first, a metaphor says that one thing literally is another. Some examples you may have heard before... 'raining cats and dogs', 'shooting the messenger', 'the Good Shepherd'. Even Shakespeare ha...
KM
14616 Views

Which tenses do I need to know for my Spanish i/GCSE exam?

For Spanish exams at this level, an A/A* grade requires a solid knowledge of all the indicative tenses so basically, the more you know about the indicative tenses the better. For students expecting or hoping...
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Answered by Oliver M. • Spanish tutor
7516 Views

Factorise and solve x^2 - 8x + 15 = 0.

The easiest way to solve this problems it via trial and error. For any quatdratic (a x 2 + bx + C = 0) , the coeficcent of x, (in this case b = 8) is the sum(+) of the two solutions and c is the product( ). ...
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Answered by Dominic M. • Maths tutor
5803 Views