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posted by  crayon on 7/3/2008 12:29:25 PM  |  status: Live  

Integral Calc help Will rate lifesaver

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Question Details:
 Question asks to find the integral of, lets say f(x) (What f(x) equals is irrelavent to my question), between -∞ and ∞. I got to this part which i need help understanding.
How is this true? (It's in the solutions manual)



Could someone please explain this
Thanks

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posted by Ratso Rizzo on 7/3/2008 12:38:16 PM  |  status: Live
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crayon's comment:
"ohhh ok. Thanks"
Response Details:
It has to do with the gaph of y = tanx



Or, the graph of y = tan-1x, which is  a reflection of the graph in the line y = x.
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