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

Algebra ->  Trigonometry-basics -> SOLUTION: The measure of angle θ is 7π6. The measure of its reference angle is °, and sin θ is .      Log On


   

Question 971685: The measure of angle θ is 7π6. The measure of its reference angle is °, and sin θ is .
Answer by Boreal(15235) About Me  (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