Question

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

Answer 1

As, we are given that:-

3tanA = 4

Then,

tanA = 4/3

As,

tanA = opp/adj = 4/3

Then,

hyp² =s²+s²

Therefore,

h² = 16 +9

h² = 25

h = 5

Therefore,

sin A = opp / hyp

= 4/5

cos A = adj/hyp

= 3/5

Therefore, sin A = 4/5 and cos A = 3/5

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Answer 2

Answer:

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Value of sinA is 4/5 and value of cosA is 3/5

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