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trigonometry

Walls, windows, amplitudes and newspapers

3 February 20233 February 2023 AustralianActuary Life trigonometry

The wall opposite my favourite corner chair, the chair in which I sit to read the morning newspaper, has one of those long windows in the shape of a letterbox. Shallow, but wide, it traverses the wall and provides a wide angle view of the eastern horizon. It is a rough measuring guide to the passing of the summer.

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Gratitude

24 January 202310 February 2023 AustralianActuary Sailing trigonometry

I was terrified of my year 11 maths (2) teacher. Maths (2) was ‘applied’ in the sense of practical trigonometry. Maths 1 was pure, in the sense of abstraction. You know, early aspects of Newton’s calculus. That teacher was amiable. Newton, he scoffed, ‘very vague; let’s not fret overly.’

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