## anonymous 3 years ago Find the value of x and y.

1. anonymous

|dw:1342294769527:dw|

2. anonymous

$\sin \theta =per/hyp$

3. anonymous

so $\sin \theta =y/20$

4. anonymous

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

5. anonymous

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

6. anonymous

@icee

7. anonymous

@icee

8. anonymous

how did you get .866

9. anonymous

this is the value of sin 60 @icee

10. anonymous

ok thank you!

11. anonymous

You welcome @icee