The most general solution of are

Possible Answers

Selected	Possible Answer

                                                                     
                                                                     
                                                                     
                                             
Dear Geetika Chouhan,

Ans:- The solution is possible when both the values of sinx and cosx are equal and are equal to -1/√2 so that tanx is positive and has the value 1. Hence 

tanx=1hence x=n∏+∏/4

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