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How do I work out the area of different shapes?

You know that when working out the area of a square or rectangle you do width X height.

We know a triangle is always half of a square or rectangle, so you work out the width and height a...

Answered by Alexandra C. • Maths tutor

3851 Views

How do you add indices?

When working with indices it is important to give examples. When the question is a times, you add the indices, and when it is a divide, you take the indices away.

For example:

Answered by Alexandra C. • Maths tutor

11488 Views

How do I use numerical methods to find the root of the equation F(x) = 0?

Generally you will be asked to find the root of an equation of the form F(x) = 0. In my answer below I will only touch on graphical methods, but will go into deeper detail on showing that a root lays in a...

Answered by Mathew V. • Maths tutor

18284 Views

Whats the difference between the three main trigonometric functions?

Sin(x), Cos(x) and Tan(x) are very useful functions and can be used to solve algerbraic problems where the aim is to find the size of an angle or a size.

Sin(x) = Opposite/Hypotenuse

<...

Answered by Michael G. • Maths tutor

4959 Views

How do I know which trig formula to use in the exam?

When faced with a problem that involves triangles, there is a simple flowchart you can follow to determine which formula or identity you need to use! Firstly you must ask yourself whether the triangle ...

Answered by Joseph O. • Maths tutor

13678 Views