Latest NDA Aptitude Question SOLUTION: If      + − 2 1 1 a a 2 sin + sin–1      1+ b2 2b = 2 tan–1x, then x is equal to

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(#M40026645) NDA question Mental Ability Keep an EYE

If 




+
−
2
1
1 a
a 2 sin + sin–1 




1+ b2
2b = 2 tan–1x, then x is equal to

Asked In NDA MAN (10 years ago)

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