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Three-dimension...

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  • Question 1
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    Find the direction cosines of a line which makes equal angles with all three the coordinate axes.​

  • Question 2
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    Three planes, viz the XY Plane, XZ Plane and the YZ Plane divide the space into eight parts. Each part is called an OCTANT. What is the relation between these three planes ​

  • Question 3
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    The co-ordinates of the vertices of the triangle are A(-2, 3, 6), B(-4, 4, 9) and C(0, 5, 8). The direction cosines of the median BE are:​

  • Question 4
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    If the direction cosines of a line from the positive X-axis and Y-axis areThe angle of the line through Z-axis is:​

  • Question 5
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    The direction cosines of the line equally inclined with the axes are:​

  • Question 6
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    The direction cosines of the line whose direction ratios are 6, –6, 3 are:

  • Question 7
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    Find the direction cosines of the x axis.​

  • Question 8
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    The direction cosines of the line joining the points (2, -1, 8) and (-4, -3, 5) are:

  • Question 9
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    What are direction numbers of a line.​

  • Question 10
    1 / -0.25

    What are direction ratios of a line.​

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