MHT CET Mathematics question
A line segment has length and direction ratios are . If the line makes an obtuse angle with X-axis, the components of the line vector are
Answer: (B)
Solution
, so the direction cosines are . An obtuse angle with the X-axis needs a negative -component, so take the negative sign:
See the full step-by-step solution
Create a free account to read the complete working, and practise questions like this in a timed test.
Create a free account