,
Trigonometry: Pythagorean Identities
 

[ identity #1 ][ identity #2 ][ identity #3 ]

 

 

 

 

identity #1

pythagoras' theorem

pythagorean id proof#1

Example

pythagorean id's problem #1

 

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identity #2

pythagorean id proof #2

Example

pythagorean id's problem #2

 

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identity #3

pythagorean id proof #3

Example

pythagorean id's problem #3

 

 

 

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