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A line AB in three-dimensional geometry makes angles 45° and 120° with the positive x - axis and the positive y-axis respectively. If AB makes an acute angle e with the positive z -axis, then e equals:
  • a)
    45°
  • b)
    60°
  • c)
    75°
  • d)
    30°
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
A line ABin three-dimensional geometry makes angles 45° and 120&de...
The angle made by line AB with x  axis is 45º. The angle made by line AB with y axis is 120º. 
Let the angle made by line AB with z axis is θ. We have   
Given that θ is acute, So, we get  
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A line ABin three-dimensional geometry makes angles 45° and 120°with the positive x - axisand the positive y-axisrespectively. If ABmakes an acute angle e with the positive z-axis, then eequals:a)45°b)60°c)75°d)30°Correct answer is option 'B'. Can you explain this answer?
Question Description
A line ABin three-dimensional geometry makes angles 45° and 120°with the positive x - axisand the positive y-axisrespectively. If ABmakes an acute angle e with the positive z-axis, then eequals:a)45°b)60°c)75°d)30°Correct answer is option 'B'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A line ABin three-dimensional geometry makes angles 45° and 120°with the positive x - axisand the positive y-axisrespectively. If ABmakes an acute angle e with the positive z-axis, then eequals:a)45°b)60°c)75°d)30°Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A line ABin three-dimensional geometry makes angles 45° and 120°with the positive x - axisand the positive y-axisrespectively. If ABmakes an acute angle e with the positive z-axis, then eequals:a)45°b)60°c)75°d)30°Correct answer is option 'B'. Can you explain this answer?.
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