Math Problem?

11 ⤊

tan(5pi/6)=

2007-05-05 09:24:59 · 2 answers · asked by brettmhannan 1 in Science & Mathematics ➔ Mathematics

2 answers

5π/6 radians =150°. this is the 2nd quadrant equivelent of 30°

tan 30°=√3 /3
since tan is <0 in the 2nd quadrant, tan 5π/6=-√3 /3

2007-05-05 10:07:35 · answer #1 · answered by yupchagee 7 · 10⤊ 0⤋

-1/sqrt(3)

5pi/6 identifies a triangle with negative x, positive y, and a ratio of -1:sqrt(3):2 (it's a 30-60-90 triangle along the negative x-axis).

2007-05-05 16:28:49 · answer #2 · answered by McFate 7 · 1⤊ 0⤋