Question
The length of the chord joining the points $(4 \cos \theta, 4 \sin \theta)$ and $(4 \cos (\theta + 60^\circ), 4 \sin (\theta + 60^\circ))$ of the circle $x^2 + y^2 = 16$ is
The length of the chord joining the points $(4 \cos \theta, 4 \sin \theta)$ and $(4 \cos (\theta + 60^\circ), 4 \sin (\theta + 60^\circ))$ of the circle $x^2 + y^2 = 16$ is