Question Number 143923 by Sravanth last updated on 19/Jun/21
![What is the value of [sin^(−1) (sin(((2π)/3)))]?](Q143923.png)
$$\mathrm{What}\:\mathrm{is}\:\mathrm{the}\:\mathrm{value}\:\mathrm{of}\:\left[\mathrm{sin}^{−\mathrm{1}} \left(\mathrm{sin}\left(\frac{\mathrm{2}\pi}{\mathrm{3}}\right)\right)\right]? \\ $$
Commented by mr W last updated on 19/Jun/21
$$\mathrm{sin}^{−\mathrm{1}} \left(\mathrm{sin}\left(\frac{\mathrm{2}\pi}{\mathrm{3}}\right)\right)=\frac{\pi}{\mathrm{3}} \\ $$