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How do you find an angle in a right-angled triangle when you are given two of its side's lengths?

You must first identify the names of the two sides in relation to the angle you are trying to find out. The technique "sohcahtoa" is generally very helpful in working this out. This abbreviation st...
TW
Answered by Toby W. • Maths tutor
4754 Views

How do you work out the length of one of the sides of a right-angled triangle given the other two?

You must first identify which sides you are given. If you have been given both sides which are not the hypotenuse (the longest side opposite the ninety degree angle) then you can use the equation: a^2 + b^2 ...
TW
Answered by Toby W. • Maths tutor
5710 Views

13 - 3 × 4+2 Simple question that lots of people get wrong

Have you heard of the BODMAS / BIDMAS rule? This rule changes your answer from 42 to 3 instead. that is because this rule says you need to follow a specific order when calculating. It seems easy but is quite...
SR
Answered by Shanju R. • Maths tutor
43158 Views

What does differentiation actually mean?

Differentiation is defined as the rate of change of a function. Imagine we had a function f(x), which we shall let equal x 2 . We all know what the graph of x 2 looks like. The derivative of x 2 is 2x. This ...
TT
Answered by Toby T. • Maths tutor
3859 Views

p and q are two numbers each greater than zero. √(p^2 + 5q) = 8 and √(p^2 – 3q) = 6. Find the values of p and q.

First of all, we have to raise to the power of two the first equation and will obtain: p^2 + 5q = 64. We have to proceed the same for the second equation and will obtain: p^2 - 3q = 36. Second step is to sub...
AB
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