Trigonometry
Determine the exact value of the expression without using a calculator.
tan(arccos311)\tan\left(\arccos\frac{3}{11}\right)tan(arccos113)
3117\frac{3\sqrt{11}}{7}7311
437\frac{4\sqrt3}{7}743
3711\frac{3\sqrt7}{11}1137
473\frac{4\sqrt7}{3}347