## icee Find the value of x and y. one year ago one year ago

1. icee

|dw:1342294769527:dw|

$\sin \theta =per/hyp$

so $\sin \theta =y/20$

angle is 60 if we take y as perp then sin 60 * 20= y .866 * 20 =y y=17.32

now take the angle 30 and x as perp so sin 30 =x/20 sin 30 * 20 =x .5 * 20 =x x=10

@icee

@icee

8. icee

how did you get .866

this is the value of sin 60 @icee

10. icee

ok thank you!