Top answers

Maths
A Level

What is the best way to prove trig identities?

In my experience the sure fire way to prove trig identities is by doing the following:

1) Assess the question e.g. is it obvious you're going to need a double angle or addition formula, c...

EA
4440 Views

Some videos I've made

Prerequisite for addition formula: https://www.youtube.com/watch?v=iHZmi2MHqWc

Proof of formula for sin(A+B):  https://www.youtube.com/watch?v=BEETggUVMrY

EA
5259 Views

How does integration work?

There are a few different types of integration, the most common being Riemann integration.

Riemann integration allows you to find the area under the graph of a function between two...

EA
8760 Views

How do you take the derivative of a^x ?

There are two ways you can take the derivative of a^x.

1) 

Let y = a^x    now we're trying to find dy/dx

2)

ln(y) = xln(a)    take logs of both s...

EA
4599 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...

MV
Answered by Mathew V. Maths tutor
16902 Views

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