Question

10 multiple choice 5 points
express sin a as a ratio of the variables given in △abc.

Explanation:

Step1: Recall the definition of sine in a right - triangle

In a right - triangle, \(\sin\theta=\frac{\text{opposite}}{\text{hypotenuse}}\).

Step2: Identify the sides relative to angle \(A\)

For angle \(A\), the side opposite to angle \(A\) is \(a\), and the hypotenuse is \(b\).

Answer:

\(\frac{a}{b}\)