Question:
what is the domain of cos^-1(2x-1)
Answer:
we have, f(x)=cos-1(2x−1)
∵−1≤2x−1≤1
⇒0≤2x≤2
⇒0≤x≤1
∴x∈[0,1]
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what is the domain of cos^-1(2x-1)
we have, f(x)=cos-1(2x−1)
∵−1≤2x−1≤1
⇒0≤2x≤2
⇒0≤x≤1
∴x∈[0,1]