Wb JeeComplex NumbersWB JEE 2008MCQ+1 / -0.252008The principal amplitude of \({(\sin 40^\circ + i\cos 40^\circ )^5}\) isA70\(^\circ\)B\(-\) 110\(^\circ\)C110\(^\circ\)D\(-\) 70\(^\circ\)Check AnswerClear SelectionReveal AnswerShow Explanation
