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August 5, 2015

Homework Help: trig

Posted by Anonymous on Saturday, September 3, 2011 at 3:57pm.

Write the expression and evaluate. There should only be one answer which should match the range of the inverse trig function.

Sec^-1(-2)
sec^-1(-sqrt2)
Cos^-1((-sqrt3)/2)
Tan^-1(-sqrt3)
Could someone explain how to get the answer as well please.

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