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Apply the cosine rule
Needs to be tested
Question by Newcastle University Mathematics and Statistics

Two questions testing the application of the Cosine Rule when given two sides and an angle. In these questions, the triangle is always acute and both of the given side lengths are adjacent to the given angle.
Calculate probabilities from a binomial distribution
Needs to be tested
Question by Newcastle University Mathematics and Statistics

Application of the binomial distribution given probabilities of success of an event.

Finding probabilities using the binomial distribution.
Find n such that $\sigma(n)$ is the given number
Needs to be tested
Question by Newcastle University Mathematics and Statistics and 1 other

Given $m \in \mathbb{N}$, find values of $n\in \mathbb{N}$ such that $\sigma(n)=m$.

There are at most two such solutions in this question.

Content created by Newcastle University