Math – Statistics – 1st Quartile, Median and 3rd Quartile Ungroup Data
The above two diagrams show you how to find the 1st quartile, median (2nd Quartile) and the 3rd quartile of [...]
Additional Math – Differentiation – Quotient Rule (Challenging)
Differentiate $latex \displaystyle\ y=\frac{{{{x}^{2}}\sqrt{{x+1}}}}{{x-1}}$ with respect to x. Simplify the Numerator (otherwise you need to use both quotient rule for [...]
Additional Math – Binomial theorem – Using Normal Expansion vs Binomial Theorem
The above video shows two method of expanding the expression; using the algebraic expansion (rainbow method) versus the binomial theorem. [...]
To Succeed in Math and in Life, you need a GROWTH MINDSET
People who believe their talents can be developed through hard work and perseverance have a growth mindset. People who [...]
Additional Math – Important Trigonometry Rules
Summary of Some of the Important Trigonometry Rules. This is not exhaustive the links for the complete list of Trigonometric [...]
Additional Math – Trigonometry – Solve cotangent half angle – 2cosine half angle = 2
$latex \displaystyle \cot \left( {\frac{x}{2}} \right)-2\cos \left( {\frac{x}{2}} \right)=0$ Convert cotangent into cosine divided by sine. $latex \displaystyle \frac{{\cos \left( [...]
Elementary Math – Mensuration – Area of Sector in terms of r
Step 1: Find the Arc Length (s) in terms of r. $\text{Arc}\ \text{length}\ \text{(s)}\ \text{=}\ \text{200}\ \text{-}\ \text{2r}$ Step 2: [...]
Additional Math – Remainder and Factor Theorem – Find the integral value of n and p
when $latex \displaystyle {{x}^{{2n}}}-p$ is exactly divisible by (x+3), it means that when you substitute x = -3 into the [...]