Find the principal value of sin -1 (sin 2π/3). – InterviewSolution

1.

Find the principal value of sin -1 (sin 2π/3).

Answer»

sin ^-1 (sin 2π/3)

We know that

sin ^-1 (sin 2π/3) = sin ^-1 (sin[π – π/3])

= sin ^-1 (sin π/3)

= π/3

Discussion

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