# Enrich your knowledge with our informative blogs ## When do I use the chain rule and when do I use the product rule in differentiation?

Differentiation in mathematics is the rate of change of a function with respect to a variable.  Differentiation is one of the two key areas of calculus... ## Express 56 as the product of its prime factors?

Before finding the prime factors of 56 we must know what the term ‘factors’ mean. When two numbers are multiplied... ## How do you change the subject of the formula?

Every expression in algebra or a formula comprises of more terms, variables and constants.   The main subject is always kept on the right... ## How is trigonometry used on non-right angled triangles?

Trigonometry is one of the most important branches in mathematics and it deals with the study of the relationship between... ## How do you find the square roots of a complex number?

Before finding the square root of a complex number we must know what complex numbers are.   A complex number is... ## How do you know how many roots a quadratic equation has?

Any equation having an algebraic term or variable in the power of two is called quadratic equation.   Every quadratic equation has one, two or zero roots. These can be real, imaginary or... ## What is an Inverse function?

In mathematics, an inverse function is a function that ‘reverses’ another function.  In other words an inverse function is a function that undoes the action of the function or in simple words we can say it is... ## List of common formulas that is commonly used for solving equations.

We know that an equation consists of an algebraic expression which is equated to zero.   The algebra formulas are just... ## How to remember the values of sin 60 , sin 30 , sin 45 , etc . ?

Trigonometry has three most important functions which are primarily used by the students to find out the unknown value of... ## What is Pythagoras Theorem?

Just like other concepts, Pythagoras theorem has its own relevance in mathematics. It explains the relation between the sides of...