Question

is the sin120 degrees -1/2?

Answer 1

\[\sin 120=\sin (180-60)=\sin 60=\sqrt {3}\]

Answer 2

/2

Answer 3

just remember that on the unit circle,
sin is your y-coordinate
cos is your x-coordinate.

Answer 4

Still on the top-half of the unit circle, so sin is positive there...

Answer 5

is this a complete question

Answer 6

what is it looking for

Answer 7

it's basically a yes/no question...

Answer 8

it just said find each trigonometric ratio and gave me sin120.

Answer 9

oh i see, so since sin is the y axis, it would be sqrrt3/2

Answer 10

correct...
sin is the y-coordinate, not the y axis...