Math Chapter Wise question with answer

Q01 If { { { } } 1, ∈ − n N then the value of sin n 1 cos. 1 cos − + + + − + + + − + + + − + + + − n n i sin i n n n π... English · PGT 2013 Q02 If α and β are roots of the equation x2 – x + 1 = 0 then the value of α1030 + β1030 will be- English · PGT 2004 Q03 If m, n, p and q are consecutive integers then the value of im + in + ip + iq will be English · PGT 2004 Q04 If α and β are different complex numbers and |β|=1 then what will be the value of β - 1- β α? English · TGT 2011 Q05 If x = cosα + isinα and y = cosβ + isinβ then the value of x – y x + y will be: English · TGT 2013 Q06 If ω is the unit cube root, then the value of (1 – ω + ω2) (1 + ω – ω2) will be: English · TGT 2013