Matematika A - 2019. ljeto, 9.

A. $\frac{\pi }{4}\backslash frac\{\backslash pi\}\{4\}$

B. $\frac{\pi }{2}\backslash frac\{\backslash pi\}\{2\}$

C. $\frac{3\pi }{2}\backslash frac\{3\; \backslash pi\}\{2\}$

D. $\frac{5\pi }{4}\backslash frac\{5\; \backslash pi\}\{4\}$