If sinx = 0.3, and x is in quadrant iii, then what is the value of cosx?

Probably the question should say , as is negative for .

In that case, recall that

Because lies in the third quadrant, we expect to also be negative, so we take the negative root above. Then

i believe that the answer is

b. y-1=-2(x-4)

hope this !

step-by-step explanation:

what is the figure? attach a picture.