Derivative of Trigonometric Functions: Derivative of cos(x)

474 views · Published 27 April 2012 · 6:28 · Indexed 27 September 2026

Channel: Math Easy Solutions · 2012 · Education

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In this video I use the definition of derivative to derive the derivative for cos(x). Make sure you remember this derivative as it comes up through math and engineering in modeling parabolic or repetitive functions. 

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Related Videos:

Derivative of Trigonometry Functions: Derivative of sin(x): http://youtu.be/elEvQ4Wu7Pk
Trigonometry and Limits: limit of sin(x)/x as x goes to 0: http://youtu.be/_Hts9GGx7oY
Definition of Derivative Simple Explanation: http://youtu.be/0rjGMpM06Eg
What are Limits? A Simple Explanation: http://youtu.be/FbV7TzlkTZk .

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