Mathematics Part-II

Book: Mathematics Part-II

Chapter: 10. Vector Algebra

Subject: Maths - Class 12th

Q. No. 1 of Miscellaneous Exercise

Listen NCERT Audio Books - Kitabein Ab Bolengi


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 .


Chapter Exercises

More Exercise Questions


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