Khushi Maths

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Showing posts from January, 2019

Prove that : tan inverse √1 + x² -1 upon x = tan inverse x upon 2.

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Solve: tan inverse ( x+ 3 )+ tan inverse (x-3) is equal to tan inverse 4/39

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Find the value of Cos inverse (cos 11 pie upon 6).

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Find the value of Cos inverse (sin 7pie by 6).

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If 'F' be the greatest integer function and 'g' be the modulus function, find the values of gof (5 upon 3) minus fog (5 upon 3).

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