Respuesta :

Answer:

(AB)²=(AC)²+(BC)²

(AB)²=(4)²+(3)²

(AB)²=16+9

(AB)²=25

[tex]sinA=\frac{3}{5}\\\\cosA=\frac{4}{5} \\\\tanA=\frac{3}{4}[/tex]

hope it helps...

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