Questions
If is the origin and the line of length makes an angle with axis and lies in the plane, then the coordinates of are
a
0,0,rsinα
b
cosα,0,0
c
rcosα,rsinα,0
d
rcosα,0,rsinα
detailed solution
Correct option is D
If a P point lines on the xz-plane then the coordinates of the point P can be taken asx,0,zGiven the angle made by the line with x-axis is and the α angle made by the same line with z- axis is 90°−α Therefore, the coordinates of the point Prcosα,0,rsinαTalk to our academic expert!
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The dc’s of the line passing through P and the origin are
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