Question

tan-210

Answer 1

-.5291666917

Answer 2

use a calculator -0

Answer 3

i need it in square roots like root 3 over 3

Answer 4

it's - root 3/3

Answer 5

thanks

Answer 6

how u came up with that =/ ill like to know

Answer 7

nvm got it

Answer 8

That's \(\LARGE -\frac{ \sqrt{3}}{3}\).

Answer 9

how did you get that?

Answer 10

210=7pi/6

Answer 11

Yup, arctan(sqrt(3)/3) = pi/6. Remember your trig. circle signs? 210 will fall in the third quadrant, it's a negative sign there.

Answer 12

pi/6 = swrt(3)/3, so times 7 i still the same, now its negative, so answer is negative : My way of thinking .

Answer 13

okay thanks so much!