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Maths
A Level

Differentiate y= (2x+1)^3. [The chain rule]

For maths questions I feel that getting your head around the concepts are difficult but once achieved allow you to comfortably answer a wide range of questions. Therefore for maths tuition I think it i...

JJ
Answered by James J. Maths tutor
17840 Views

What is the probability that a leap year has 53 Sundays?

This is pretty straight forward.
There are 366 days in a leap year, i.e, 1 more than a normal year.

Now, 52 weeks make up 344 days (52 x 7 = 344)
That means that we already ha...

YR
Answered by Yatharth R. Maths tutor
65160 Views

How do you solve 3sin2AtanA=2 for 0<A<180?

The first step in solving any trigonometric equation is to convert everything into sine and cosine functions. So in this case we need to start by converting the tanA. We can use the identity: tanA=sinA...

SW
Answered by Sarah W. Maths tutor
5480 Views

Sketch the curve y = (x^2 - 9)(x - 2)

When it comes to curve sketching, there are a number of tests that you can do to find out crucial characteristics about the curve. They are following:

1. Setting x = 0 will give you the p...

DS
Answered by Dan S. Maths tutor
6220 Views

Given that 4(cosec x)^2 - (cot x)^2 = k, express sec x in terms of k.

This question makes good use of the trigonometric identities tan2x + 1 = sec2x and 1 + cot2x = cosec2x which can be ...

DS
Answered by Dan S. Maths tutor
11944 Views

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