The measure of angle θ 7pi/6 is. The measure of its reference angle is °, and sin θ is

The measure of angle θ = 7pi/6. To convert this to degrees, substitute pi with 180 degrees. Pi is always equal to 180 degrees.

θ becomes: 7 x 180/6

Therefore, θ = 210 degrees.

And, to solve for sin θ, you can directly input sin (210) in the calculator.

Thus, sin θ = sin (210) = - 0.5 or - 1/2