Math, asked by Rafel9360, 1 year ago

Let a,b,c are unit vectors such that a+b+c=1 and a is perpendicular to b.If c makes angles alpha,beta with and ab respectively then cos alpha+cosbeta

Answers

Answered by geniusplayzx
0

Answer:

MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM

Step-by-step explanation:


Similar questions