Evaluate (if possible) the sine, cosine, and tangent at the real number t. (If an answer is undefined, enter UNDEFINED.) t = 2π 3 sin t = cos t = tan t =

Question

Evaluate (if possible) the sine, cosine, and tangent at the real number t. (If an answer is undefined, enter UNDEFINED.)

t = 2π
3
sin t	=
cos t	=
tan t	=

Answer 1

I'm assuming you mean t = 2π/3 = 120°

Sin(2π/3) = 0.866 = (√3)/2

Cos(2π/3) = -0.5 = -1/2

Tan(2π/3) = -1.732 = -(√3)/2