Question

UTUNUT QUESTIONS
01.**.11 a ray makes the angles a, B.y and s with four diagonals of a cube then me
cos'a+cos B+cosy + cos's.(MARCH-05,08, JUNE 2005, MAY 2008)
Sol. Let'a' be the length of nel 1​

Answer 1

Answer:

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Step-by-step explanation:

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