184k views
4 votes
Can someone please answer. There is one problem. There's a picture. Thank you!

Can someone please answer. There is one problem. There's a picture. Thank you!-example-1
User StaticVoid
by
8.6k points

1 Answer

3 votes
Hello,

if sin x=-1 then x=270°+k*360
if k=- 1 then x=-90°
if k=0 then x=270°

Answer C
User Nenu
by
8.2k points

No related questions found