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Grade: 12th pass
        
can you please help to solve the following for x
 
solve sin^-1(6x)+sin^-1(6sqrt(3)x)=-pi/2
2 years ago

Answers : (1)

Arun
23340 Points
							
Dear Devindar
 
pi/2 + sin^-1(6 sqrt(3) x) = - sin^-1(6x)
 
Taking sin both the sides
 
Cos (sin^-1(6sqrt(3) x)) = -6x
 
On solving further
x = 1/12 and  -1/12
 
But x = 1/12 doesn't satisy hence
x = -1/12 is tye Correct answer.
 
Regards
Arun (askIITians forum expert)
2 years ago
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