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

1 Answer
Feb 27, 2018

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

Explanation:

Use your unit circle:

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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