Principle Of Mathematical Induction

Question
CBSEENMA11013896

Find the general solution of the following trigonometric equation:

sin space straight x plus space sin space 2 straight x plus space sin space 3 straight x plus space sin space 4 straight x space equals 0




















Solution

Solution not provided.
Ans.  straight x equals left parenthesis 2 straight n plus 1 right parenthesis straight pi over 2 space or space straight x space equals space left parenthesis 2 straight n minus 1 right parenthesis straight pi space or space straight x space equals space fraction numerator 2 nπ over denominator 5 end fraction semicolon space straight n space element of space straight Z