Question

Find the values of the sine, cosine, and tangent for ZA

Answer 1

(AB)²=(AC)²+(BC)²

(AB)²=(4)²+(3)²

(AB)²=16+9

(AB)²=25

`sinA=(3)/(5)\\\\cosA=(4)/(5) \\\\tanA=(3)/(4)`

hope it helps...

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