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Trig Functions of Real Numbers

Compound Angles (a +/- b)

Sum/Product Formulas

Double Angle Formulas

Trig. Equations

Inverse Trig. Functions

Summary&Test

 UNIT 8  :  TRIGONOMETRIC FUNCTIONS

 LESSON 6b:  INVERSE COSINE AND TANGENT FUNCTIONS

 

The Inverse Cosine Function:

 

 

 

 

 

 

 

 

 

 

 

 

 

  1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

                      

Text Box:

 

 


 

 

 

 

 

The Inverse Tangent Function:

 

 

 

 

 

                      

Text Box:

 


 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary:  The graphs of the inverse trigonometric functions are reviewed below.

 

 

 

     

 

 

Inverse Function

Domain

Range

Example

 

y = sin-1x

 

 

 

 

 

y = cos-1x

 

 

 

 

 

y = tan-1x

 

 

 

 

 

 

 

 

 

 

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Click here to go to lesson 6a, inverse sine function

Click here to go to homework questions