Use the (x,y) coordinates in the figure to find the value of each trigonometric function at the indicated re number, t, or state that expression is undefined.
sin pi/6

Question

Use the (x,y) coordinates in the figure to find the value of each trigonometric function at the indicated re number, t, or state that expression is undefined. 
sin pi/6

anonymous · Answer

find $\frac{\pi}{6}$ on the last page of the attached cheat sheet
then look at the coordinates
the first coordinate is cosine
the second coordinate is sine

anonymous · Answer

this is a good cheat sheet to use for your other questions as well

anonymous · Answer

@satellite73 yes I see it

anonymous · Answer

k good 
what is your answer?

anonymous · Answer

1/2 but my not sure how @satellite73