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Direction Cosines of axes |#3d Geometry | #12th #Mathematics | #boards | #jeemains #rourkela

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This video helps to find the direction ratio of x, y and z axis in 3-D.
Direction cosine of x axis is 1, 0, 0 and that of y axis is 0, 1, 0. Comment the direction cosine of z axis.
Direction cosine of x axis is 1, 0, 0 and that of y axis is 0, 1, 0. Comment the direction cosine of z axis.