4.
\((1)\)若双曲线\(\dfrac{x^{2}}{m^{2}}{-}y^{2}{=}1(m{ > }0)\)的一条渐近线方程为\(x{+}\sqrt{3}y{=}0\),则\(m= \)______.
\((2)\)已知数列\(\{a_{n}\}\)满足\(a_{1}{+}a_{3}{=}\dfrac{5}{8}{,}a_{n{+}1}{=}2a_{n}\),其前\(n\)项和为\(S_{n}\),则\(S_{n}-2a_{n}\)的值为______.
\((3)\)在\(\triangle ABC\)中,内角\(A\)、\(B\)、\(C\)的对边分别为\(a\)、\(b\)、\(c\),已知\(\dfrac{4\sqrt{3}}{3}S_{{\triangle }{ABC}}{=}b^{2}{+}c^{2}{-}a^{2}\),则角\(A= \)______\((\)用弧度制表示\()\).
\((4)\)给出如下命题:
\(①\)命题“在\(\triangle ABC\)中,若\(A=B\),则\(\sin A=\sin B\)”的逆命题为真命题;
\(②\)若动点\(P\)到两定点\(F_{1}(-4,0)\),\(F_{2}(4,0)\)的距离之和为\(8\),则动点\(P\)的轨迹为线段\(F_{1}F_{2}\);
\(③\)若\(p∧q\)为假命题,则\(p\),\(q\)都是假命题;
\(④\)设\(x∈R\),则“\(x^{2}-3x > 0\)”是“\(x > 4\)”的必要不充分条件;
\(⑤\)若实数\(1\),\(m\),\(9\)成等比数列,则圆锥曲线\(\dfrac{x^{2}}{m}+y^{2}=1\)的离心率为\(\dfrac{\sqrt{6}}{3}\);
其中所有正确命题的序号是______.