Top answers


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
119147 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...
BC
Answered by Bobbie C. Biology tutor
11678 Views

How has stress been linked to addiction?

There have been many studies into this area. For example, in 2008, Driessen and his team found that 30% of drug addicts and 15% of alcoholics suffered from post-traumatic stress disorder. This shows a clear ...
BC
Answered by Bobbie C. Psychology tutor
4371 Views

Prove e^(ix) = cos (x) + isin(x)

We first write each side of the equation using the maclaurin series for each function. e ix = 1 + ix + (ix) 2 /2! + (ix) 3 /3! + (ix) 4 /4! + ...... e ix = 1 + ix - x 2 /2! - ix 3 /3! + x 4 /4! + ..... cos(x...
PM
8854 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
14436 Views