If `z=sqrt(3)-2+i` , then principal value of argument `z` is (where `i=sqrt(-1)` `-(5pi)/(12)` (2) `pi/(12)` (3) `(7pi)/(12)` (4) `(5pi)/(12)`

If z=sqrt(3)-2+i , then principal value of argument z is (where i=sqrt(-1) (1) -(5pi)/(12) (2) pi/(12) (3) (7pi)/(12) (4) (5pi)/(12)

If z=sqrt(3)-2+i, then principal value of argument z is (where i=sqrt(-1)-(5 pi)/(12)(2)(pi)/(12) (3) (7 pi)/(12) (4) (5 pi)/(12)

If z=(sqrt(5-12i)+sqrt(-5-12i)), then the principal value of arg z will be

If sqrt(5-12 i)+sqrt(-5-12 i)=z , then principal value of a rgz can be

If sqrt(5-12 i)+sqrt(-5-12 i)=z , then principal value of a rgz can be

If a complex number z satisfies |2z+10+10i|<=5sqrt(3)-5, then the least principal argument of z is :(a)-(5 pi)/(6) (b) (11 pi)/(12)( c) -(3 pi)/(4)(d)-(2 pi)/(3)

If sqrt(5-12i)+sqrt(-5-12i)=z ,then principal value of argz can be (pi)/(4) b.(pi)/(4) c.(3 pi)/(4) d.-(3 pi)/(4)

If sqrt(5-12 i)+sqrt(-5-12 i)=z , then principal value of a rgz can be pi/4 b. pi/4 c. (3pi)/4 d. -(3pi)/4

The principal value of the amplitude of (1+i) is pi b.(pi)/(12) c.(pi)/(4) d.(3 pi)/(4)

If both roots of quadratic equation x^2+(sintheta+costheta)x+3/8=0 are positive and distinct then complete set of value of theta in [0,2pi] is (1) (pi/(12),(5pi)/(12)) (2) ((13pi)/(12),(17pi)/(12)) (3)((7pi)/(12),(11pi)/(12)) (4) ((19pi)/(12),(23pi)/(12))