Whitman College: David Guichard's "Calculus, Chapter 4: Transcendental Functions, Section 4.4: The Derivative of sin x, Continued"

Read Section 4.4 (pages 77 and 78). This reading completes the computation of the derivative of the sine function. Be sure to review all of the concepts which are involved in this computation.
Click https://s3.amazonaws.com/saylordotorg-resources/wwwresources/site/wp-content/uploads/2012/07/calculus_04_Transcendental_Functions.pdf link to open resource.