Question

√3tana=3sina find sin^2a-cos^2a ​

Answer 1

Answer:

√3 tanA = 3sinA

√3sinA/cosA = 3 sinA

cosA = √3/3

sin² A = 1-cos²A 

 

          = 1-(√3/3)²

   

          = 1- 3/9

 

          =1-1/3

 

         = 2/3

Sin²A-cos²A = 2/3-1/3

 

                    = 1/3

Step-by-step explanation:

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