Principle Of Mathematical Induction

Question
CBSEENMA11013885

Find the general solutions of the following trigonometric equation:

cos space 2 straight x space plus space cos space straight x space equals space 0


Solution

Solution not provided.
Ans. open table attributes columnalign right end attributes row cell straight x equals left parenthesis 2 straight n plus 1 right parenthesis straight pi over 3 end cell row cell or space straight x space equals space left parenthesis 2 straight n minus 1 right parenthesis straight pi end cell end table close curly brackets comma space straight n space element of space straight Z

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