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Grade: 9
        
sin-1x=2sin-1a has a soln for what criteria of x
 
5 years ago

Answers : (1)

Souvik Chaki
24 Points
							
solve the equation..
     sin-1 x = 2sin-1a
=> sin-1x = sin-1 (2a / {1+a2})
=> x = (2a / {1+a2}).
which is the criteria. :)
5 years ago
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