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the expresssion sin(x/2)+cos(x/2)+itanx divided by 1+2sin(x/2) is real find all possible values of x?

the expresssion sin(x/2)+cos(x/2)+itanx divided by 1+2sin(x/2) is real find all possible values of x? 

Grade:12th pass

1 Answers

noogler
489 Points
6 years ago
x=npi
 
 
given exp will be real if tanx/1+2sin(x/2)=0...............tanx=0
x=npi

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