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!
SEARCH THIS BLOG :-)
Friday, 12 May 2023
Show that $\sin^{-1}x+\cos^{-1}x=\dfrac{\pi}{2}$ for all $-1\le x \le 1$ (without using calculus!)
No comments:
Post a Comment