Q) Find domain of sin^(−1) √(𝑥−1) #shivangmathsacademy #cbsemaths #inversetrigonometry #maths

Q) If 2cos^(−1) 𝑥 = 𝑦,then(A) 0≤𝑦≤𝜋(B) −𝜋≤𝑦≤𝜋(C) 0≤𝑦≤2𝜋(D) −𝜋≤𝐲 ≤ 0 #shivangmathsacademy

Q) If f(x)={((log⁡(1+ax)+log⁡(1−bx))/x, for x≠0 k, for x=0) is continuous at 𝑥=0, then the value