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question mark

sin-1x=2sin-1a has a soln for what criteria of x

siddharth mishra , 10 Years ago
Grade 9
anser 1 Answers
Souvik Chaki

Last Activity: 10 Years ago

solve the equation..
     sin-1 x = 2sin-1a
=> sin-1x = sin-1 (2a / {1+a2})
=> x = (2a / {1+a2}).
which is the criteria. :)

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