what is sin a? sin a = ?
what is sin a? sin a = ?
Answer
Explanation:
Step1: Recall sine - definition
In a right - triangle, $\sin A=\frac{\text{opposite}}{\text{hypotenuse}}$.
Step2: Identify opposite and hypotenuse
The side opposite to angle $A$ has length $13$, and the hypotenuse has length $16$.
Answer:
$\frac{13}{16}$