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How do you simplify something of the form Acos(x) + Bsin(x) ?

This sort of question is quite common, and a little bit complicated, so the explanation is quite long! But it's a great one to understand. There are a few tricks you need to know to be able to do...

JM
Answered by Jack M. Maths tutor
13604 Views

Comment on how Handel uses the following elements in And the glory of the Lord: Melody, Harmony & tonality, Dynamics, Texture, Mood

In typical Baroque fashion, Handel creates a decoratve melody by using trills and grace notes. He also uses devices effectively to create an interesting melody. For example he employs melismatic writing, ...

WR
Answered by William R. Music tutor
4063 Views

What is a buffer, and how does it respond to the addition of acid or alkali?

Firstly, I would try and establish with the tutee what a buffer is and define it. Going through the key aspects of what a buffer is. The standard definition I have for a buffer is 'A solution that minimis...

TW
Answered by Tom W. Chemistry tutor
2518 Views

When should you use the subjunctive in French?

The subjunctive should be used in French  after verbs expressing:

  1. wish or desire e.g. désirer que, souhaiter que, vouloir que

  2. necessity, orders, advice, eg. falloir que,...

EH
Answered by Emily H. French tutor
1634 Views

What is the Rutherford scattering experiment and what did it tell us about the nature of the atom?

The experiment involves firing alpha particles, positively charged helium nuclei made of two protons and two neutrons, at a thin layer of gold foil. There is a screen behind the gold foil which is used as...

TD
33108 Views

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