Derivative of arccosine or Inverse cos(x)

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In this video I show an easy proof of the derivative of inverse cos(x) using implicit differentiation. You can use this method to derive derivative expressions for all of the inverse trig functions.

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Related Videos:

Derivative of arctan(x) or Inverse tan(x): http://youtu.be/q9jdOiQ7pZY
Derivative of arcsine or Inverse sin(x): http://youtu.be/rj2nQmiekz4
Derivative of Trigonometry Functions: Derivative of cos(x): http://youtu.be/LMjVp-GsrCw
Inverse Trigonometric Functions: Inverse cosine, sine, and tan Functions: http://youtu.be/Ifv1vkJZdrk
Inverse Trigonometric Functions - Examples: http://youtu.be/XIE1SsvXu0U
Trigonometry Identities: Proof that sin²(x) + cos²(x) = 1: http://youtu.be/o-fAx_96lgw
Implicit Differentiation - A Brief Introduction: http://youtu.be/12OY1b3DYHQ
Derivative Rules: Proof of Chain Rule: http://youtu.be/tYDDpKzP-VU
Derivative Rules: Derivative of Exponential part 2: Using the Chain Rule: http://youtu.be/uXwwgMzikao
Definition of Derivative Simple Explanation: http://youtu.be/0rjGMpM06Eg
Angles - Degrees vs Radians: What are Radians?: http://youtu.be/bOdrVvQWRdE .

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