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n.math.7.1

Math 142 Chapter 7.1

QuestionAnswer
Converting Minutes and Seconds to Degrees x min or secs * 1/60
Converting Degrees to Minutes and Seconds x deg * 60
Arc Length s = r*&
Converting Degrees to Radians x deg * pi/180 rad
Converting Radians to Degrees x rad * 180/pi deg
Area of a Sector A = .5*r^2*&
Linear Speed v = s/t
Angular Speed w = &/t
Linear Speed vs Angular Speed v = s/t = (r*&)/t = r*(&/t) = r*w v = r*w
Created by: vo1damort
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