This blog dates back to 2015-16 while I was teaching senior high school Extension 1 Mathematics (formerly 3U Maths) in Sydney, Australia. It contains a wide range of explanations, notes, and resources covering senior 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!
Monday, 9 May 2016
Grove HSC 5.11 q2c
You got the sign wrong, its $\Large x-{\sin(2x)\over 2}$ on line 3.
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