Question

use the half angle formula to find the exact value of sin15

Answer 1

1 - cos(30)
sqrt --------- = sin(30/2)
2

Answer 2

actually i can get more specific. im at ((2 sqrt3)/2)/(2) i need to simplify that. i was thinking 2- sqrt3/4 but does it go further?

Answer 3

since there is nothing left to "reduce" top to bottom; that should be it...

Answer 4

WOOT! lol thanks! the last example you helped with really laid it out. i just wanted to make sure there wasn't some algebra that i wasn't seeing.

Answer 5

:) confidence.... have some confidence :)