Question

Given `theta = (19pi) / 6` how do you find `sintheta`?

Answer 1

Find `sin ((19pi)/6)`

Ans: `-1/2`

Explanation:

On the trig unit circle,

`sin ((19pi)/6) = sin ((7pi)/6 + (12pi)/6) = sin ((7pi)/6 + 2pi) =`

`= - sin ((pi)/6) = - 1/2`