is in quadrant I, so
, which means
, so
belongs to the same quadrant.
Now,
Since
, it follows that
Since
belongs to the first quadrant, you take the positive root (
for
in quadrant I). Then
is also positive for
in quadrant I, so you take the positive root again. You're left with
Answer: its c In step 3, he should have divided both sides by StartFraction 6 Over 4 Endfraction.
Step-by-step explanation:
Answer: sometimes
Step-by-step explanation: