Top answers

How do I integrate tan^2 x?

Firstly, use the trigonometric formula tan 2 x = sec 2 x - 1 , which you can easily derive from sin 2 x + cos 2 x =1, by dividing both sides by cos 2 x and re-arranging. Now, you should remember that differe...
JC
Answered by Jakub C. • Maths tutor
12721 Views

What balance should I strike in the interviews between self-assertiveness and intellectual flexibility?

This is one of the most common problems facing Oxbridge interview candidates, especially in the arts and humanities. On the one hand it is a well known fact that Oxbridge tutors appreciate candidates who can...
AB
1855 Views

I don't know what I am doing when I solve differential equations using the integrating factor and why does this give us the solutions it does?

Start by looking at the form of equation where we can use the integrating factor:y' + f'(x) y = g(x) The general principle of this method is that by multiplying our expression by some function of x it become...
OB
2853 Views

"The ideas of the Enlightenment were the main reason revolution broke out in France in 1789" Explain why you agree or disagree with this view

The ideas of the Enlightenment were a major reason behind revolution breaking out in France in 1789. This is because Enlightenment ideas of liberalism, egalitarianism and equality spread rapidly in France in...
KW
Answered by Katya W. • History tutor
14606 Views

A quarter circle has a radius of 8, calculate the area giving your answer in terms of pi

area of a circle = pi x radius^2 64pi/4 = 16pi Student must be aware of the equation for the area of a circle and that they must divide by 4 to get the answer here
SD
Answered by Sam D. • Maths tutor
8289 Views