SOLUTION: The measure of angle θ is 7π6. The measure of its reference angle is �, and sin θ is .

Question 971685: The measure of angle θ is 7π6. The measure of its reference angle is �, and sin θ is .
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
The reference angle is closest to the x-axis.
I will assume the above is 7pi/6. That would be a reference angle of pi/6, and the sin in the 3rd quadrant is negative, so the sin theta = - 0.5
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