Find the principal value  of

Asked by Topperlearning User | 21st Apr, 2016, 10:45: AM

Expert Answer:

We know that sin–1 x denotes an angle in the interval open square brackets negative straight pi over 2 comma straight pi over 2 close square brackets whose sine is x for x element of [–1, 1].

therefore = An angle in  open square brackets negative straight pi over 2 comma straight pi over 2 close square brackets whose sine is

  = negative straight pi over 4

Answered by  | 21st Apr, 2016, 12:45: PM