If a vector of magnitude 2 units makes an angle 3 with 2 i , 4 with 3 j and an acute angle with 4 k , then what are the components of the vector?

NDA 2024 Mathematics question

If a vector of magnitude 2 units makes an angle with , with and an acute angle with , then what are the components of the vector?

Answer: (A)

The direction cosines are , and . From :

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Question ID VK-029838