Question

If 3 tan A =4,then find sinA and cos A​

Answer 1

Answer:

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Answer 2

Answer:

3tanA = 4 

  tanA = 4/3

   tanA = opp/adj = 4/3 

    hyp² =s²+s²

    h²  = 16 +9

    h² = 25 

    h = 5

 sin A = opp / hyp

          = 4/5

cos A = adj/hyp

          = 3/5

∴sin A = 4/5 

   cos A = 3/5

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