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Calculate, giving the answer as simply as possible, 7/12 + 1/12

7/12 + 1/12 = 8/12

8/12 can be simplified to 2/3

therefore the answer is 2/3 as this is the most simplified version of the fraction 8/12

Answered by Stefanos R. • Maths tutor

3092 Views

Prove the identity (4cos(2x))/(1+cos(2x)) = 4-2sec^2(x)

Write down the formulas involving cos2x and select the one which involves only cosine, this is because cosine (or derivations of it) is the only trigonometric function in this question. Substitute the cho...

Answered by Tegan N. • Maths tutor

13210 Views

Factorise x^2-x-6=0, and solve, finding the values of x

When you factorise an equation, the final form should look like this: (x+a)(a+b)=0 in order to work out the possible value(s) for x. As a result, working backwards, we expand the already factorised final ...

Answered by Lior S. • Maths tutor

7238 Views

Rewrite in the logarithmic form: T=2π√(L/G)

Firstly we should add log to both sides of the equation, knowing that modifying one side can be balanced by doing the exact same thing on the other side. On the right hand side, using logarithmic identiti...

Answered by Javier P. • Maths tutor

14810 Views

What is Pythagorus Theorem ? Find the length of BC if given a right angle triangle ABC where AB is 8cm and the length of the hypotenuse AC is 10cm ?

Pythagorus Theorem states that the side of a 'Right Angled Triangle' can be found by using the formulae c²= a²+ b², where c is considered as hypotenuse. In our case the...

Answered by Momina H. • Maths tutor

6311 Views