73.51 An Unusual Derivation of$\frac{d\text{sin}\theta}{d\theta}$and$\frac{d\text{cos}\theta}{d\theta}$
Matthew HazzardVolume:
73
Language:
english
Journal:
The Mathematical Gazette
DOI:
10.2307/3619312
Date:
December, 1989
File:
PDF, 170 KB
english, 1989