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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

 

jdsmathnotes

 


 UNIT 8  :  TRIGONOMETRIC FUNCTIONS

 LESSON 4:  DOUBLE ANGLE FORMULAS

 

 

Text Box: Addition Formulas for Sine and Cosine

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Text Box: Double-Angle Formulas

 

 

 

 

 

 

 

 

 

 

 

 

Text Box: Alternate Double-Angle Formulas

 

 


 

 

Text Box: Half-Angle Formulas

          

 


 

 

 

 

 

 

 

Text Box:

 

 

 

 


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