What is the distance between #(4, pi/2 )# and #(2, pi/12 )#?

1 Answer
sankarankalyanam
Apr 9, 2018

#color(blue)("Distance between the two points is " color(green)(2)#

Explanation:

http://jwilson.coe.uga.edu/EMAT6680Fa2014/Gieseking/Exploration%2011/Polar%20Equations.html

#"Given : " A (4, pi/2), B(2, pi/2)#

#x_A = 4 cos (pi/2) = 0, y_A = 4 sin (pi/2) = 4#

#x_B = 2 cos (pi/2) = 0, y_B = 2 sin (pi/2) = 2#

#color(brown)("Since y coordinates of both the points are 0"),#

#color(crimson)("Distance between A & B is " = x_A - x_B = 4 - 2 = 2#

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