Mathematics - Inverse Trigonometric Functions Question with Solution | TestHub

MathematicsInverse Trigonometric FunctionsGeneral ( General, Domain, Range & Graph)Medium2 minQB

MathematicsMediumsingle choice

Find the range of f(x)= $cos^{- 1} (- x)$ , where {x}=x-⌊x⌋ is the fractional part.

Answer:

Solution:

Since {x}∈[0,1), -{x}∈(-1,0], so $cos^{- 1} (- x) \in [π /2, π$ ).

Stream:JEESubject:MathematicsTopic:Inverse Trigonometric FunctionsSubtopic:General ( General, Domain, Range & Graph)

⏱ 2mℹ️ Source: QB

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