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OpenStudy (anonymous):
Check, please?! I think it's C & D, but I want to make sure! Which of the functions have a range of all real numbers? Check all that apply. A) y=cot x B) y= tan x C) y= csc x D) y= sec x
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OpenStudy (anonymous):
no it is not those
OpenStudy (anonymous):
in fact, that is exactly wrong, it is the other two range of tangent and cotangent is all real numbers secant and cosecant skip \((-1,1)\)
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