Q20Multiple choice
to 37 (M.C.Q.). 20. Which of the following is the principal value branch of cos–1x? –π π
- (A) 2 , 2
- (B)(0, π) π
- (C)[0, π] (0, π) –
- (D)2
to 37 (M.C.Q.). 20. Which of the following is the principal value branch of cos–1x? –π π