Assertion (A) : Domain of y = cos-1(x) is [-1, 1], Reason (R) : The range of the principal value branch of y = cos-1(x) is [0,π]-{π/2}
Solution
Assertion (A) : Domain of y = cos-1(x) is [-1, 1], Reason (R) : The range of the principal value branch of y = cos-1(x) is [0,π]-{π/2}