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Which of the following represents the direction cosines of the line?

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AAI ATC Junior Executive 27 July 2022 Shift 2 Official Paper
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  1. 0, 
  3. 0, 
  4. 0, 

Answer (Detailed Solution Below)

Option 4 : 0, 
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Detailed Solution

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Explanation:

If the direction cosine of the line is l, m, n, then l2 + m2 + n2 = 1

For option (1):

= 

For option (2):

= 

For option (3):

= 

For option (4):

Hence, the correct answer from the given option is (4) 

0, 

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-> AAI JE ATC recruitment 2025 application form has been released at the official website. The last date to apply for AAI ATC recruitment 2025 is May 24, 2025. 

-> AAI JE ATC 2025 notification is released on April 4, 2025, along with the details of application dates, eligibility, and selection process.

-> A total number of 309 vacancies are announced for the AAI JE ATC 2025 recruitment.

-> This exam is going to be conducted for the post of Junior Executive (Air Traffic Control) in the Airports Authority of India (AAI).

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-> The AAI JE ATC Salary 2025 will be in the pay scale of Rs 40,000-3%-1,40,000 (E-1).

-> Candidates can check the AAI JE ATC Previous Year Papers to check the difficulty level of the exam.

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