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If P,Q are (2,3,-6),(3,-4,5), then find ...

If P,Q are (2,3,-6),(3,-4,5), then find the acute angle that OP makes with OQ.

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PRADEEP PUBLICATION-THREE DIMENSIONAL GEOMETRY-EXERCISE
  1. Find the angle between the pairs of line with direction ratios lt5,-...

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  2. Find the angle between the pair of lines with directions ratios: <1,1...

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  3. If P,Q are (2,3,-6),(3,-4,5), then find the acute angle that OP makes ...

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  4. Find the angles between each of the following pairs of lines: vecr=4ha...

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  5. Find the angle between the followig pair of lines : (-x+2)/-2=(y-1)/7=...

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  6. Find the angles between each of the following pairs of lines: (x-2)/3=...

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  7. The angle between a line with direction ratios proportional to 2, 2, ...

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  8. Find the angle between the following pair of lines : vecr=hati+hatj-ha...

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  9. Find the angle between the lines whose direction cosines are given by ...

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  10. Find the angle between the lines whose direction cosines are given by ...

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  11. Differentiate the following y=tan(sin(a^x))

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  12. Find the angle of the tirangle ABC whose vertices are A(-1,3,2), B(2,3...

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  13. Find the length of the perpendicular from the point (1,2,3) to the lin...

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  14. Find the perpendicular distance of the point (1,0,0) from the line : (...

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  15. Find the equations of the perpendicular drawn from the point (2,4,-1) ...

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  16. Find the length and foot of perpendicular drawn from the point (2,-1,3...

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  17. Find the equations of the straight line passing through the point (1, ...

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  18. Find the equation in vector anf cartesian form of the line passing thr...

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  19. Show that, if the axes are rectangular, the equations of the line thro...

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  20. Find the coordinates of the foot of the perpendicular drawn from point...

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