Question

Please help me with this question.
I think the answer is B but need it double checked

Answer 1

so you need get from 2sqrt2(sin q) = -2 because than will be there -2+2 =0

right ?

so how you get from 2sqrt2(sin q) the necessary -2 ?

you know that sin pi/4 =sqrt2 /2

so where will be this minus ,in what qudrant ?

hope this will help you

Answer 2

I'm still really confused? Is the answer going to be C then?