Exactly three minutes
60 sec. per min.180 mins = 10800 secs.
180
52 minutes
four minutes
4 mins
(7 min) x (60 sec/min) = 420 sec
The value of sec 180 degrees is equal to 1 divided by the cosine of 180 degrees. Since the cosine of 180 degrees is -1, sec 180 equals -1. Therefore, sec 180° = -1.
Three hours.
180 seconds
330 seconds.
180 mins
Hr/60 mins/60 sec