find the domain of the function 1/underroot(sec(sinx))

[Ishita]

Find the domain of the function 1/underroot(sec(sinx))...plz reply fast

 

[Deleted member 4993]

Find the domain of the function 1/underroot(sec(sinx))...plz reply fast

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[Ishita]

My approach

sec(sinx)>0....for all the real values of x sinx lies between -1 to 1....for x belonging from -1 to 1 secX is positive hence domain of the function should be R...but the answer given is [-1,1]

 

[stapel]

plz reply fast

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Find the domain of the function 1/underroot(sec(sinx))...

How does your book or instructor define an "underroot"? I'm familiar with square roots, cube roots, etc, but I don't know what an "underoot" is.