Math Chapter Wise question with answer

Q01 The principal argument of the complex number –1 –i is English · TGT 2004 Q02 The product of the values of (cos π/6 + i sin π/6)3/2 is English · DSE TGT 2019 Q03 For a complex number z, the value of sin2 z + cos2 z is: English · OPSC PGT 2017 Q04 If 4 4 a cos isin, 3 3 π = + = + then the value of 3n 1 a 2 + is English · LT 2018 Q05 If x+iy= (cosθ–isinθ)2 then value of x2 +y2 = English · PGT 2011 Q06 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