Quick calculus quiz May 14, 2013 [mtouchquiz 9] A selection of other posts Apr 22, 2020 Ask Uncle Colin: Two trig identities Jan 30, 2017 How the Mathematical Ninja approximates $\sin(55º)$ Jul 8, 2013 Why the binomial expansion is stupid and you shouldn't use it Mar 7, 2012 A tricky C2 question... subscribe via RSS