This blog goes back a few years! while I was teaching in various schools in NSW, Australia. It contains a wide range of mathematics explanations, notes, and resources covering secondary-level mathematics topics. The easiest ways to navigate are by using the search bar or browsing through the labels/tags. If you find my content helpful and would like to support my work, a coffee donation is greatly appreciated — thank you!
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Monday, 17 April 2023
Solve: $\:\:\sin x+\cos x=\cos(2x) $ where $0\le x \le 2\pi$.
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