a bus driver drives 547.25 miles on day 1 , on day 2 , he drives 327.875 , how many more miles did he drive the first day than t
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Answer:
<h3>-cos10°</h3>Step-by-step explanation:
cos is positive at first and fourth quadrant
so, cos (-x) = cos (x)
also, cos(180-x) = -cos x
cos (180+x) = -cos x
cos (-170°) = cos (170°)
cos(170°) = cos (180° - 10°)
= - cos 10°
