Question

What are the sine, cosine, and tangent of 2 pi over 3 radians

Answer 1

@ganeshie8

Answer 2

(2 pie)/ 3 = 120 degree here pie = 180

Answer 3

so tan is also 0?

Answer 4

sin (120) = sin(180-60) = sin60 = sqrt(3)/2

Answer 5

and proceed same way to cosine and tangent

Answer 6

wow i was thinking 3pi/2 all this time wtffffff

Answer 7

my mistake

Answer 8

would cosine be + or - 1/2?

Answer 9

@Yahoo! @magepker728

Answer 10

cosine in 2 q2 is negative

Answer 11

thank you!