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[Index]

Introduction
Essence
Memorizing
How to memorize
Basic Formulas
Sum and Difference Formulas
Double & Triple Angle Formulas
Half Angle Formulas
Product to Sum Formulas
Sum to Product Formulas
All Formulas
Understanding
Page 1
Page 2
Page 3
Page 4
Page 5
Summarizing
Page 1
Page 2
Examples
Examples
Example 1
Example 2
Example 3
Example 4
Example 5
Example 6
Example 7
Example 8
General ideas
Exercises
Final thoughts
     
good job
Page 1 | Page 2 | Proof(s)

Proof of example 7:

Suppose 6_7101.gif (1473 bytes)
Prove that 6_7102.gif (3332 bytes)

6_7p01.gif (22345 bytes)


                                                                                                                                                                                                                                                                                                                        
     
  

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LWR
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