Mathematics Part-II

Book: Mathematics Part-II

Chapter: 10. Vector Algebra

Subject: Maths - Class 12th

Q. No. 1 of Miscellaneous Exercise

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1

Write down a unit vector in XY-plane, making an angle of 30° with the positive direction of x-axis.

Given: A unit vector in XY- plane.


Let is a unit vector in the given XY- plane then the value of


Will be :


θ is the angle given, which is made by unit vector with positive direction of x-axis.


for θ = 30°




Hence, the required unit vector is .


1

Chapter Exercises

More Exercise Questions

4

If , then is it true that ? Justify your answer.