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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) …

Praveen Kumar Das , 5 Years ago
Grade 12th pass
anser 1 Answers
Arun

Last Activity: 5 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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