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cos -1 ( ( 2-IxI)/4 ) +sin -1 ( ( 2-IxI)/4 ) + tan -1 ( ( 2-IxI)/4 )


cos-1 ((2-IxI)/4) +sin-1((2-IxI)/4) + tan-1((2-IxI)/4)


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1 Answers

Shivam Dimri
43 Points
11 years ago

pi/2   + tan-1(2-|x|/4)

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