| LIST I | LIST II | ||
| A. | sin z for |z|< ∞ | I. | (-1)n-1z2n-1/(2n-2)! |
| B. | cos z for |z|< ∞ | II. | (-1)n-1zn/n |
| C. | tan-1z for |z|<1 | III. | (-1)n-1z2n-1/(2n-1)! |
| D. | In(1+z) for | z|<1 | IV. | (-1)n-1z2n-1/(2n-1) |
If $ \theta \in [-2\pi,\ 2\pi] $, then the number of solutions of $$ 2\sqrt{2} \cos^2\theta + (2 - \sqrt{6}) \cos\theta - \sqrt{3} = 0 $$ is:



