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Grade: 11
        
For any real numbers x and y ,coax =cosy ,implies =2nπ±y, where n belongs to Z 
In this solution sinx+y/2=0
How x+y/2=nπ?  please explain this steps
10 months ago

Answers : (2)

Aditya Gupta
1453 Points
							
you are asking how does sin(x+y/2)=0 imply x+y/2=nπ.
let  x+y/2=z
then sinz=0 but graph of sinx shows that it is zero if and only if z is an integral multiple of pi.
so z= npi
or  x+y/2=nπ
9 months ago
manantomar
19 Points
							
 
you are asking how does sin(x+y/2)=0 imply x+y/2=nπ.
let  x+y/2=z
then sinz=0 but graph of sinx shows that it is zero if and only if z is an integral multiple of pi.
so z= npi
or  x+y/2=nπ
This is CORRECT
9 months ago
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  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


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