Question 1149034
<br>
{{{sin(-250)}}}<br>
Add 360 degrees to get a coterminal angle.<br>
{{{sin(-250+360) = sin(110)}}}<br>
Sine is positive in quadrants I and II; sin(90+x) = sin(90-x)<br>
{{{sin(110) = sin(90+20) = sin(90-20) = sin(70)}}}<br>
ANSWER: sin(-250) = sin(70)