Вычислите \(\sin(\frac{1}{2}\arcsin{\frac{3\sqrt{7}}{8}}+2\arctg\frac{1}{3}).\)

• \(\large\frac{4\sqrt{7}+9}{20}\)
• \(\sqrt{7}\)
• \(\large\frac{\sqrt{7}}{20}\)
• \(0,05\)