Solve tan(70^circ)+tan(50^circ)-sqrt{3}tan(70^circ)tan(50^circ)

$$\tan ( 70 ^ { \circ } ) + \tan ( 50 ^ { \circ } ) - \sqrt{ 3 } \tan ( 70 ^ { \circ } ) \tan ( 50 ^ { \circ } )$$

Evaluate

$$-\frac{409289510650814316276864737617\sqrt{3}}{125000000000000000000000000000}+3.9392310120488316\approx -1.732050808$$

Solution Steps

Evaluate trigonometric functions in the problem

$$2.7474774194546216 + 1.19175359259421 - \sqrt{3} 2.7474774194546216 \cdot 1.19175359259421$$

Add 2.7474774194546216 and 1.19175359259421 to get 3.9392310120488316.

$$3.9392310120488316-1.19175359259421\times 2.7474774194546216\sqrt{3}$$

Multiply 1.19175359259421 and 2.7474774194546216 to get 3.274316085206514530214917900936.

$$3.9392310120488316-3.274316085206514530214917900936\sqrt{3}$$