Problemtan(30°)\tan(30°)tan(30°)分步解答在 303030-606060-909090 三角形中,三边比为 1:3:21 : \sqrt{3} : 21:3:2。30°30°30° 角的对边/邻边:tan(30°)=13\tan(30°) = \frac{1}{\sqrt{3}}tan(30°)=31。分母有理化:13⋅33=33\frac{1}{\sqrt{3}} \cdot \frac{\sqrt{3}}{\sqrt{3}} = \frac{\sqrt{3}}{3}31⋅33=33。答案tan(30°)=33\tan(30°) = \tfrac{\sqrt{3}}{3}tan(30°)=33想解其他题?打开 sin-cos-tan 求解器 →相关例题/solve/trigonometry/sin-30-degrees/solve/trigonometry/tan-45-degrees