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In sin^-1 x +sin^-1 y;why x*x+y*y 1 connditions are taken??? 2. derive the formula for sinx+sin(x+y)+sin(x+2y)+...........sin(x+(n-1)y) …

  1. In sin^-1 x +sin^-1 y;why x*x+y*y 1 connditions are taken???
      2. derive the formula for sinx+sin(x+y)+sin(x+2y)+...........sin(x+(n-1)y) …
 
 
 
 
 

Grade:12th pass

1 Answers

Arun
25750 Points
4 years ago
Dear student
 
please ask only one question in one thread.
 
1).
 
x*x + y*y less than or equal to 1 and greater than or equal to 1 is taken to make sin ^-1 in their repected range

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