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Find all numbers in the range of \[f(x) = \arctan x + \arctan \frac{1 - x}{1 + x},\]expressed in radians. Enter all the numbers, separated by commas.

 May 4, 2022
 #1
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The possible values of f(x) are pi/4, pi/2, and pi.

 May 4, 2022
 #2
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it was -3pi/4 amd pi/4

 

but thx anyway

 May 4, 2022

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