will not interrupt what you are doing.Recaps basic trigonometry for right-angled triangles, exact trigonometric values, more complicated problems (e.g. involving surds) and 3D Pythagoras/trigonometry.
B ASHFIELD
3rd Feb 2020 Flag Comment
I love mathematics it is a lovely subject. It truly is great, it told me itsself. mathematics is my partner; emotionally and physically
J Wilkinson
28th Apr 2022 Flag Comment
A JAVID, YOU CANNOT ESCAPE MY GRASP!!!