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What are the principal values of sec function? If I want to substitute say secx=t in an integral, and x assumes values from 0 to pi. Then what values would t assume? Ps. It's not 1 to -1. I'm getting the negative answer.

Answer» What are the principal values of sec function?
If I want to substitute say secx=t in an integral, and x assumes values from 0 to pi. Then what values would t assume?

Ps. It's not 1 to -1. I'm getting the negative answer.


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