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Since there is an x written as a power here, it suggests that this question should be solved using logs (here assume I am using the natural logarithm, which has base e). Taking logs of both sides of the equa...

The key here is to realise that tanx = sinx/cosx. If we write out the left hand side of the equation in terms of sine and cosine we get: cosx/sinx + sinx/cosx These two fractions can be put over a common den...

Data Validation Data validation is the process of comparing data with a set of rules to find out if data is reasonable. There are many types of data validation such as: -Format check: Checks data is in the r...

Factorising a quadratic polynomial of the form, ax 2 + bx + c = 0 can be done in many depends depending on the values we have for a, b and c. Some simple polynomial could be done simply by recognition. For e...

When it comes to unseen poetry there are many ways to approach the analysis. To begin with it is always best to read it, not once but twice , making sure to underline/note themes, imagery, symbolism and othe...