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IIT JEE VECTOR ALGEBRA If ` vec aa n d vec b` are two unit vectors and `theta` is the angle betwe...

60 views · Published 20 February 2018 · 4:20 · Indexed 20 September 2026

Channel: Doubtnut · 2018 · Education

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This is the Solution of question from Cengage Publication Math Book Vectors and 3d-Geometry Chapter 6 VECTOR ALGEBRA written By G. Tewani. You can Find Solution of all math questions from CENGAGE BOOK on our app DOUBTNUT for free. Download Doubtnut from - https://doubtnut.app.link/85MJQqY6vR

If ` vec aa n d vec b`
are two unit vectors and `theta`
is the angle between them, then the unit
 vector along the angular bisector of ` vec a`
and ` vec b`
will be given by
a. `( vec a- vec b)/(cos(theta//2))`
 b. `( vec a+ vec b)/(2cos(theta//2))`
 
c. `( vec a- vec b)/(2cos(theta//2))`
 d. none of these

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