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, b, c are three unit vectors such that 1 a×(b× c) = b 2, then the angle which a makes with c is English · UPPSC Ashram Paddhati 2021 UP PGT 2013 UKPSC GIC 2018 Q03 If a unit vector â makes angles π 3 with î, π 4 with ĵ and () θ 0, π ∈ with k̂, then value of θ is: English · EMRS PGT-2023 Q04 If a,b,c are unit vectors, then 2 2 2 ˆ ˆ ˆ ˆ ˆ ˆ a b b c c a − + − + − does not exceed: English · NVS PGT 2022 Q05 If a and b are unit vector, then correct statement is- English · RPSC PGT 2022 Q06 If a, b and c are unit vectors such that a + b + c = 0, then the value of a. b + b. c + c.a is: English · KVS PGT 2023