Question

Find all the values of theta on the interval [0,2pi) that satisfy the equation: sin(theta) = -1/2 ?

Answer 1

`(7pi)/6, (11pi)/6`

Explanation:

Use your unit circle:

`sin(theta)` is the y-coordinate of the point on the unit circles. If you examine those points, you will find `sin(theta)=-1/2` at `(7pi)/6` and `(11pi)/6`