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How do you answer AQA's GCSE English Language Paper 1 Question 2?

Question 2 will ask about language methods used by the writer to describe a person, place or thing within a text and should take you 10 minutes to complete. This question focuses on AO2: "Explain, comme...
VT
Answered by Victoria T. • English tutor
18288 Views

Use the addition formulas: sin(x+y)=sin(x)*cos(y)+sin(y)*cos(x), cos(x+y)=cos(x)*cos(y)-sin(x)*sin(y) to derive sin(2x), cos(2x), sin(x)+sin(y).

sin(2x)=sin(x+x) =sin(x)cos(x)+cos(x)sin(x) =2*sin(x)*cos(x); cos(2x)=cos(x+x) =cos(x)cos(x)-sin(x)sin(x) =[cos(x)] 2 -[sin(x)] 2 Now let x+y=a and x-y=b, then x=(a+b)/2 and y=(a-b)/2. Then sin(a)=sin[(a+b)/...
IS
Answered by Ioana S. • Maths tutor
4768 Views

Why do you need simultaneous equations?

This is an example of a simultaneous equation - 2X + Y = 5X + 3Y = 10 You can think of X and Y as apples and oranges from a market. You know that if you buy 2 apples and 1 orange it cost £5, but this doesn’t...
AG
Answered by Amelia G. • Maths tutor
3490 Views

Describir unas de las vacaciones del ano pasado. Escribir entre 80 y 90 palabras.

El año pasado, fui a Grecia con mis padres y mi mejor amigo que se llama Jack. ¡Lo pasé bomba! He estado yendo a Grecia desde que tenía ocho años. Todos los días fuimos a la playa y nadamos en el mar. Además...
AK
Answered by Arron K. • Spanish tutor
3650 Views

How do you conjugate the future tense in French?

There are two ways to make the future tense in French:The first is generally used to describe things that will happen in the near future. The French near future uses the verb “aller” (to go) in the present t...
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Answered by Naoise W. • French tutor
2577 Views