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n.math.7.1
Math 142 Chapter 7.1
Question | Answer |
---|---|
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 |