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Prove the following trigonometric equation using mutliple and submultiple properties of trigonometric functions

Prove the following trigonometric equation using mutliple and submultiple properties of trigonometric functions

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Grade:11

1 Answers

Arun
25750 Points
5 years ago
Dear Ananya
 
Use formulas of tan(A + B) and tan (A-B)
 
and simplify
 
You will simply get 3tan3A.
 
Hope it helps
 
Regards
Arun

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