N Naresh New member Joined Feb 2, 2017 Messages 1 Feb 2, 2017 #1 As we know sinx+sin(x+y)+ - - +sin(x+(n-1)y)=sin(ny/2).(sin(x+(n-1)(y/2))/siny/2 then please tell tanx+tan(x+y)+ - - -+tan(x+(n-1)y) is equal to
As we know sinx+sin(x+y)+ - - +sin(x+(n-1)y)=sin(ny/2).(sin(x+(n-1)(y/2))/siny/2 then please tell tanx+tan(x+y)+ - - -+tan(x+(n-1)y) is equal to
D Deleted member 4993 Guest Feb 2, 2017 #2 Naresh said: As we know sinx+sin(x+y)+ - - +sin(x+(n-1)y)=sin(ny/2).(sin(x+(n-1)(y/2))/siny/2 then please tell tanx+tan(x+y)+ - - -+tan(x+(n-1)y) is equal to Click to expand... What are your thoughts? Please share your work with us ...even if you know it is wrong. If you are stuck at the beginning tell us and we'll start with the definitions. You need to read the rules of this forum. Please read the post titled "Read before Posting" at the following URL: http://www.freemathhelp.com/forum/announcement.php?f=33
Naresh said: As we know sinx+sin(x+y)+ - - +sin(x+(n-1)y)=sin(ny/2).(sin(x+(n-1)(y/2))/siny/2 then please tell tanx+tan(x+y)+ - - -+tan(x+(n-1)y) is equal to Click to expand... What are your thoughts? Please share your work with us ...even if you know it is wrong. If you are stuck at the beginning tell us and we'll start with the definitions. You need to read the rules of this forum. Please read the post titled "Read before Posting" at the following URL: http://www.freemathhelp.com/forum/announcement.php?f=33
