Math Chapter Wise question with answer

Q01 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 Q02 If a b c + = and a b c, + = then angle between a and b is: English · NVS PGT 2022 Q03 A,BandC are unit vectors. A is perpendicular to both B and C and angle between B and C is 30º. Then vector A is - English · RPSC PGT 2022 Q04 a;b;c are unit vectors b and c are non collinear vector. If a × (2b ×c) =b, then angle between a and b is - English · RPSC PGT 2022 Q05 The midpoints of sides AB and AC of a triangle ABC are points D and E, respectively, then resultant of forces repre... English · RPSC PGT 2022 Q06 Let − x = 2i + j 2k and y = i + j.If z is a vector such that x.z = z, z x = 2 2 − − and the angle between x×y and z... English · DSSSB PGT 2021