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$The range of the function f (x) = \tan \sqrt{\frac{π^{2}}{9} - x^{2}} is$

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For f(x) to be defined ,π29−x2≥0⇒−π3≤x≤π3 Domain of f=−π3,π3The greatest value off(x)=tan⁡π29−0=3 when x=0 and the least value of f(x)=tan⁡π29−π29=0 when x=π3 Range of function =[0,3]

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The range of the function f(x)=tan⁡π29−x2 is

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$The range of the function f (x) = \tan \sqrt{\frac{π^{2}}{9} - x^{2}} is$