Recently published items

Convert numbers greater than 1 from standard form/scientific notation.

Convert numbers between 0 and 1 from standard form/scientific notation.

Given speed and distance, find time. convert time units.

Calculating the missing side-length of a triangle using the cosine rule.

Solving $\sin(3x)=\sin(x)$ for $x\in \left(0,\frac{\pi}{2}\right)$.

Given two side-lengths and an angle of a triangle, use the sine rule to calculate an unknown angle.

Reading values from a Venn diagram, required unison, intersection and complement.

Calculate the magnitude of a 2-dimensional vector, where $\mathbf v$ is written in the form $\pmatrix{v1\\v2}$.

Given speed and time, calculate distance.

Rewriting a trigonometric expression of the form $A\cos(\theta)-B\sin(\theta)$ to $R\cos(\theta+\alpha)$ by calculating $R$ and $\alpha$.