Question

Use the unit circle to find sin 150??

Answer 1

do you have the unit circle?

Answer 2

150 or 150 degrees?

Answer 3

degrees

Answer 4

@dpaInc no I do not.

Answer 5

take a look at page 3 here:
sin (any angle) refers to the y-coordinate of the corresponding point for that angle.
http://tutorial.math.lamar.edu/pdf/Trig_Cheat_Sheet.pdf

Answer 6

so what's the y-coordinate that corresponds with 150 degrees?

Answer 7

1/2

Answer 8

yep... sin(150) = 1/2

Answer 9

1/2

Answer 10

sorry serious typo. I shall repost.

Answer 11

How do I get to a chalk board on this thing. I can't cut and paste from my own notebook.

Answer 12

@Tims: the Draw button at the bottom