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What are the direction cosines ?...

What are the direction cosines ?

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The correct Answer is:
`(-(1)/(sqrt(3)), -(1)/(sqrt(3)), -(1)/(sqrt(3)))`
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ARIHANT MATHS ENGLISH-THREE DIMENSIONAL COORDINATE SYSTEM-Three Dimensional Coordinate System Exercise 12 : Question Asked in Previous Years Exam
  1. What are the direction cosines ?

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  2. Consider the line L(1) : (x-1)/(2)=(y)/(-1)=(z+3)/(1), L(2) : (x-4)/(1...

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  3. Find dy/dx if ax-by=sinx

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