Write the ratio for $\sin A$ .
$\sin A =$
(Type an integer or a simplified fraction.)

Answer

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Answer

$\sin A = \frac{3}{5}$

Steps

Step 1 ：Recall the definition of sine in a right triangle: $\sin A = \frac{opposite side}{hypotenuse}$

Step 2 ：In our case, the side opposite angle A is 3 and the hypotenuse is 5, so $\sin A = \frac{3}{5}$

Step 3 ： $\sin A = \frac{3}{5}$