Math Chapter Wise question with answer

Q01 Let a ∧ and b ∧ be two unit vectors and θ be the angle between them. Which of the following will be value of cos 2... English · UP PGT 2021 Q02 If A and B are two vectors, then angle between vectors A + B and A×B is English · UP TGT 2021 Q03 If is the angle between any two vectors a and b, then a.b a b when is equal to– English · SECTION B PGT TIER-I 31.11.2014 Q04 Vectors ˆ ˆ ˆ ˆ ˆ ˆ 2i j 4k,i 3j 5k − − − − − − − − − − − − − − − − and ˆ ˆ ˆ 3i 4j 4k − − are the sides of a trian... English · PGT 2010 Q05 If a and b are two unit vectors such that 2 a b + + and 5 4 a b − − are perpendicular to each other, then the angle... English · PGT 2004 Q06 If x and y are two unit vectors and φ is the angle between them, then 1 x y 2 − − is equal to: English · PGT 2002