Answer :
Given : A line makes angles 90o, 135o and 45o with the positive directions of x-axis, y-axis and z-axis respectively.
To find : Direction cosines of the line
Formula used : If a line makes angles αo, βo and γo with the positive directions of x-axis, y-axis and z-axis respectively. then direction cosines are given by , ,
α = 90o, β = 135o and γ = 45o
Direction cosines of the line is
, ,
, ,
0, ,
Direction cosines of the line is 0, ,
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