First subtract 2 revolutions from the - 840 :- (- (840-720) = -120
This gives sin -120 which is in the 3rd quadrant of the unit circle
sin -120 = - sin 60 = - sqrt3/2
Answer:
option 3
Step-by-step explanation:
Since definition of slope is:

the ratio:

explains the best (Ratio option 3)
Answer:
your answer is 7.4 X 104 and if you further multiply then you will get 769.6