Please use this identifier to cite or link to this item: http://hdl.handle.net/10497/23345
Title: 
Authors: 
Subjects: 
Derivative
Trigonometric sine function
Fallacies
Issue Date: 
2021
Citation: 
Toh, T. L., Tay, E. G., & Tong, C. L. (2021). Fallacies about the derivative of the trigonometric sine function. The Mathematician Educator, 2(1), 1-10. https://ame.org.sg/2021/07/02/tme2021-vol-2-no-2-pp-1-10
Journal: 
The Mathematician Educator
Abstract: 
In this paper, several fallacies about the extension of the formula \frac{d}{dx} (\sin x) = \cos x to the erroneous formula \frac{d}{dx} (\sin x^\circ) = \cos x^\circ are discussed. In a Commognitive Theory Framework, misconceptions by ‘newcomers’ can be traced to the use of the word “unit”.
URI: 
ISSN: 
0218-9100
File Permission: 
Open
File Availability: 
With file
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