Question

tan 120 degree value?​

Answer 1

Answer and Explanation:

The exact value of tan(120°) is -√(3). Since tan(120°) = tan(2 × 60°), we can use the tangent double-angle identity to...

Answer 2

Step-by-step explanation:

Use

tan

θ

=

sin

(

θ

)

cos

(

θ

)

From a trig circle or a

30

∘

−

60

∘

−

90

∘

triangle in the second quadrant:

tan

120

∘

=

√

3

2

−

1

2

=

√

3

2

⋅

−

2

1

=

−

√

3