Grade 12th passTrigonometry
find the range of function f(x)=sin^-1x+tan^-1x+sec^-1x is
find the range of function f(x)=sin^-1x+tan^-1x+sec^-1x is
1 Answer
Arun
Dear student
Range will contain only values i.e. {pi/4 , 3pi/4}
You can check for any x. You will find the values either pi/4 or 3pi/4
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