Problemtan(30°)\tan(30°)tan(30°)Step-by-step solution在 303030-606060-909090 三角形中,三邊比為 1:3:21 : \sqrt{3} : 21:3:2。30°30°30° 角的對邊/鄰邊: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。Answertan(30°)=33\tan(30°) = \tfrac{\sqrt{3}}{3}tan(30°)=33Want to solve a different problem? Open the sin-cos-tan solver →Related worked examples/solve/trigonometry/sin-30-degrees/solve/trigonometry/tan-45-degrees